Include <sys/sysmacros.h> for "major" and "minor".

Taken from upstream:
https://git.savannah.gnu.org/cgit/parted.git/commit/?id=ba5e0451b51c983e40afd123b6e0d3eddb55e610

diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index 31b98ab..7e86b51 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -41,6 +41,7 @@
 #include <sys/utsname.h>        /* for uname() */
 #include <scsi/scsi.h>
 #include <assert.h>
+#include <sys/sysmacros.h>
 #ifdef ENABLE_DEVICE_MAPPER
 #include <libdevmapper.h>
 #endif
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</table><div class='diffstat-summary'>1 files changed, 47 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td><div class='head'>diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm<br/>index 3f4396f174..0de304e100 100644<br/>--- a/<a href='/guix/tree/gnu/packages/python-xyz.scm?id=a82e9f45fd9f7c67123b7064c60065281035c744'>gnu/packages/python-xyz.scm</a><br/>+++ b/<a href='/guix/tree/gnu/packages/python-xyz.scm?id=5ff34d596db98ad168f606dac6a6330faa7a52e8'>gnu/packages/python-xyz.scm</a></div>