Supress gcc-4.5 warning about the result not being used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134319 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Valgrind.cpp b/lib/Support/Valgrind.cpp
index 7034485..2e57eb7 100644
--- a/lib/Support/Valgrind.cpp
+++ b/lib/Support/Valgrind.cpp
@@ -39,7 +39,7 @@
   if (NotUnderValgrind)
     return;
 
-  VALGRIND_DISCARD_TRANSLATIONS(Addr, Len);
+  (void)VALGRIND_DISCARD_TRANSLATIONS(Addr, Len);
 }
 
 #else  // !HAVE_VALGRIND_VALGRIND_H