Tweak to avoid a trailing space.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13627 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/tests/filter_libc b/tests/filter_libc
index 9fad2f5..46ba268 100755
--- a/tests/filter_libc
+++ b/tests/filter_libc
@@ -14,7 +14,7 @@
     s/\(within \/.*(libc|libSystem).*\)$/(within \/...libc...)/;
 
     # Filter out dynamic loader
-    s/\(in \/.*ld-.*so\)$//;
+    s/ \(in \/.*ld-.*so\)$//;
 
     # Remove the filename -- on some platforms (eg. Linux) it will be in
     # libc, on some (eg. Darwin) it will be in the main executable.