Fix analyzer tests.

llvm-svn: 162588
diff --git a/clang/test/Analysis/undef-buffers.c b/clang/test/Analysis/undef-buffers.c
index cfdd7f4..f18d6e5 100644
--- a/clang/test/Analysis/undef-buffers.c
+++ b/clang/test/Analysis/undef-buffers.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.unix,core.uninitialized -analyzer-store=region -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.unix,core.uninitialized -analyzer-store=region -verify %s
 typedef __typeof(sizeof(int)) size_t;
 void *malloc(size_t);
 void free(void *);