By default, 'RTDLLIST' in 'ldd' refers to 'lib64/ld-linux-x86-64.so', whereas
it's in 'lib/' for us.  This patch fixes that.

--- glibc-2.17/sysdeps/unix/sysv/linux/x86_64/ldd-rewrite.sed	2012-12-25 04:02:13.000000000 +0100
+++ glibc-2.17/sysdeps/unix/sysv/linux/x86_64/ldd-rewrite.sed	2013-09-15 23:08:03.000000000 +0200
@@ -1,3 +1,3 @@
 /LD_TRACE_LOADED_OBJECTS=1/a\
 add_env="$add_env LD_LIBRARY_VERSION=\\$verify_out"
-s_^\(RTLDLIST=\)\(.*lib\)\(\|64\|x32\)\(/[^/]*\)\(-x86-64\|-x32\)\(\.so\.[0-9.]*\)[ 	]*$_\1"\2\4\6 \264\4-x86-64\6 \2x32\4-x32\6"_
+s_^\(RTLDLIST=\)\(.*lib\)\(\|64\|x32\)\(/[^/]*\)\(-x86-64\|-x32\)\(\.so\.[0-9.]*\)[ 	]*$_\1"\2\4\6 \2\4-x86-64\6 \2x32\4-x32\6"_
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<div class='path'>path: <a href='/guix/log/?id=573d478f729d732b65b2dabc295a31e08f9ad32b'>root</a>/<a href='/guix/log/tests?id=573d478f729d732b65b2dabc295a31e08f9ad32b'>tests</a>/<a href='/guix/log/tests/guix-graph.sh?id=573d478f729d732b65b2dabc295a31e08f9ad32b'>guix-graph.sh</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/tests/guix-graph.sh?id=573d478f729d732b65b2dabc295a31e08f9ad32b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-09-26 17:36:57 +0200'>2023-09-26</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=7f3ebd6dbcae830e60b78d6bab8f1dbad90ba3a8'>tests: Adjust ‘guix graph --path’ test to latest Emacs changes.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-04-28 19:50:39 +0200'>2023-04-28</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=ee88acc6e22595bbf4a6f07332ed4308d6a6e3cf'>tests: guix-graph.sh: Fix expected path from emacs to libffi.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2023-04-21 16:16:38 +0200'>2023-04-21</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=37dd69b44511dc73eb04bdebe8d82c9a0386338e'>tests: Fix checks for expected failures.</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2022-01-16 23:56:56 +0100'>2022-01-16</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=a1037aa87b39d4c774fe398fc97a58bafeb063d1'>tests: Clean up after 'tests/guix-graph.sh'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>