Fix analyzer tests.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162588 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/malloc-overflow.c b/test/Analysis/malloc-overflow.c
index 714fd3d..2f443ca 100644
--- a/test/Analysis/malloc-overflow.c
+++ b/test/Analysis/malloc-overflow.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=experimental.security.MallocOverflow -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=alpha.security.MallocOverflow -verify %s
 
 #define NULL ((void *) 0)
 typedef __typeof__(sizeof(int)) size_t;