Fix name clash with libcap 2.29.

Taken from upstream:
https://github.com/iputils/iputils/commit/18f9a84e0e702841d6cc4d5f593de4fbd1348e83

diff --git a/ninfod/ninfod.c b/ninfod/ninfod.c
--- a/ninfod/ninfod.c
+++ b/ninfod/ninfod.c
@@ -455,7 +455,7 @@ static void do_daemonize(void)
 /* --------- */
 #ifdef HAVE_LIBCAP
 static const cap_value_t cap_net_raw = CAP_NET_RAW;
-static const cap_value_t cap_setuid =  CAP_SETUID; 
+static const cap_value_t cap_setuserid = CAP_SETUID;
 static cap_flag_value_t cap_ok;
 #else
 static uid_t euid;
@@ -487,7 +487,7 @@ static void limit_capabilities(void)
 
 	cap_get_flag(cap_cur_p, CAP_SETUID, CAP_PERMITTED, &cap_ok);
 	if (cap_ok != CAP_CLEAR)
-		cap_set_flag(cap_p, CAP_PERMITTED, 1, &cap_setuid, CAP_SET);
+		cap_set_flag(cap_p, CAP_PERMITTED, 1, &cap_setuserid, CAP_SET);
 
 	if (cap_set_proc(cap_p) < 0) {
 		DEBUG(LOG_ERR, "cap_set_proc: %s\n", strerror(errno));
@@ -520,8 +520,8 @@ static void drop_capabilities(void)
 
 	/* setuid / setuid */
 	if (cap_ok != CAP_CLEAR) {
-		cap_set_flag(cap_p, CAP_PERMITTED, 1, &cap_setuid, CAP_SET);
-		cap_set_flag(cap_p, CAP_EFFECTIVE, 1, &cap_setuid, CAP_SET);
+		cap_set_flag(cap_p, CAP_PERMITTED, 1, &cap_setuserid, CAP_SET);
+		cap_set_flag(cap_p, CAP_EFFECTIVE, 1, &cap_setuserid, CAP_SET);
 
 		if (cap_set_proc(cap_p) < 0) {
 			DEBUG(LOG_ERR, "cap_set_proc: %s\n", strerror(errno));
=11f078a1fb332c1ec242e1defe4c66b4f5ef5de6'>commit</a><a href='/guix/diff/etc/release-manifest.scm?id=11f078a1fb332c1ec242e1defe4c66b4f5ef5de6'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/release-manifest.scm'>
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<div class='path'>path: <a href='/guix/log/?id=11f078a1fb332c1ec242e1defe4c66b4f5ef5de6'>root</a>/<a href='/guix/log/etc?id=11f078a1fb332c1ec242e1defe4c66b4f5ef5de6'>etc</a>/<a href='/guix/log/etc/release-manifest.scm?id=11f078a1fb332c1ec242e1defe4c66b4f5ef5de6'>release-manifest.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/etc/release-manifest.scm?id=11f078a1fb332c1ec242e1defe4c66b4f5ef5de6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-03-30 11:14:53 +0200'>2023-03-30</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=4ba06192aa9000f25946df9ed7cad2d7cbb6f2c4'>maint: Add icecat to the release manifest.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/release-manifest.scm (%system-packages): Uncomment icecat.
</span></span></td><td>Andreas Enge</td></tr>
<tr><td><span title='2023-02-05 06:56:42 +0100'>2023-02-05</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=c3e61c8c1f5ce867408ba7a113882a4b0ad5b2cb'>gnu: Rename 'guile-3.0/fixed' to 'guile-3.0/pinned'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/guile.scm: Rename variable 'guile-3.0/fixed' to
'guile-3.0/pinned', add deprecation.
* etc/release-manifest.scm (%packages-to-cross-build): Replace
'guile-3.0/fixed' with 'guile-3.0/pinned'.
* gnu/packages/autotools.scm (make-autoconf-wrapper)[inputs]: Likewise.
* gnu/packages/commencement.scm (guile-final): Likewise.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Simon Tournier</td></tr>
<tr><td><span title='2022-11-28 13:51:51 +0100'>2022-11-28</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=1bc9d5222f9053fd0ace7b92df0ef9548707cf41'>maint: Leave 'gcc-toolchain' out for i586-gnu.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a temporary measure to work around the fact that we're currently
lacking the necessary CPU power and human power to build everything up
to 'gcc-toolchain'.

* etc/release-manifest.scm (%base-packages/hurd): Comment out
"gcc-toolchain" for now.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-10-25 10:10:06 +0100'>2022-10-25</span></td><td><a href='/guix/commit/etc/release-manifest.scm?id=be9b213c75e903d999a6caedab1c6d4b3ffd623b'>maint: Tweak release manifest special case for armhf-linux.</a><span class='msg-avail'>...<span class='msg-tooltip'>Don't remove the emacs package, as it does build and substitutes are
available. Do remove the guix package though, as it doesn't build due to Guile
memory issues while compiling the package modules.

* etc/release-manifest.scm (%base-packages/armhf): Don't replace the emacs
package, remove the guix package.
(%base-manifest): Remove FIXME comment as %base-packages/armhf doesn't relate
to build power.
</span></span></td><td>Christopher Baines</td></tr>
&lt;othacehe@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2022-03-15 13:14:29 +0100'>2022-03-15</span></td><td><a href='/guix/commit/gnu/system/images/novena.scm?id=2543cb485479d29700ac14762875db084b90ed54'>images: novena: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/images/novena.scm (novena-barebones-os)[kernel]: Use the
linux-libre-arm-generic kernel.
[initrd-modules]: Do not specify any modules as sdhci-esdhc-imx, ahci_imx and
i2c-dev are built-in in the arm-generic kernel.
</span></span></td><td>Mathieu Othacehe</td></tr>