Added a suppression pattern for a leak triggered from inside Darwin's C library.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10547 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/darwin9.supp b/darwin9.supp
index 0689e5d..71b2f3f 100644
--- a/darwin9.supp
+++ b/darwin9.supp
@@ -162,6 +162,14 @@
    fun:__setenv
    fun:setenv$UNIX2003
 }
+{
+   localeconv-leak
+   Memcheck:Leak
+   fun:malloc
+   fun:localeconv_l
+   fun:__vfprintf
+   fun:vsnprintf
+}
 
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 # Helgrind