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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<tr><td><span title='2020-07-05 14:12:16 +0200'>2020-07-05</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=ee1dc9b3d19364e17b15a158194cddfff91778c8'>gnu: java-icu4j: Update to 66.1, use full sources.</a><span class='msg-avail'>...</span></td><td>Björn Höfling</td></tr>
<tr><td><span title='2020-06-22 17:16:39 +0200'>2020-06-22</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=8169cc736a6998fa33f7a86c5c13cd01cbafec92'>gnu: icu4c: Add 67.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-04-13 20:30:31 +0200'>2020-04-13</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=87bb750a7e8dd1f6cd21033b0cd47d77adfd83fe'>gnu: icu4c: Remove redundant icu4c-66.1 variable.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-04-13 20:26:21 +0200'>2020-04-13</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=fc58cb5bd2f4a4fb9e910f553009fce8a60e56e9'>Merge branch 'master' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-04-12 17:39:30 +0200'>2020-04-12</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=e15acf8cac3378745b761dbd9b05385de74e07f0'>gnu: icu4c: Add 66.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-27 00:46:38 +0100'>2020-03-27</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=63bd6643c80f3af8180392eb1bf531bedb8e2201'>gnu: icu4c: Incorporate grafted changes.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-27 00:12:15 +0100'>2020-03-27</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=18af6870370226b4d502d7372844e7f2aded5887'>Merge branch 'master' into core-updates</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-26 21:15:08 +0100'>2020-03-26</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=3089b70d766bd9ec70e1464867130b7b864fbe17'>gnu: icu4c: Explicitly add patch flags in replacement package.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-25 17:53:59 -0400'>2020-03-25</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=7d57a190f6896c04b5dad66bf4360bc48a4052ff'>gnu: icu4c: Fix CVE-2020-10531.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2020-03-14 12:02:52 +0100'>2020-03-14</span></td><td><a href='/guix/commit/gnu/packages/icu4c.scm?id=8d425d74d25ec9d8eda74d3b70dc21b5e71537e2'>gnu: icu4c: Update to 66.1.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>