For PR1319:
Fix syntax of tests to ensure grep pattern is properly quoted.

llvm-svn: 36134
diff --git a/llvm/test/CodeGen/CBackend/2004-12-03-ExternStatics.ll b/llvm/test/CodeGen/CBackend/2004-12-03-ExternStatics.ll
index 6a55db8..a285dae 100644
--- a/llvm/test/CodeGen/CBackend/2004-12-03-ExternStatics.ll
+++ b/llvm/test/CodeGen/CBackend/2004-12-03-ExternStatics.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=c | not grep 'extern.*msg'
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=c | not grep extern.*msg
 
 ; This is PR472