fix comment.

llvm-svn: 90660
diff --git a/clang/test/CodeGen/decl.c b/clang/test/CodeGen/decl.c
index b13000a..a659057 100644
--- a/clang/test/CodeGen/decl.c
+++ b/clang/test/CodeGen/decl.c
@@ -31,7 +31,7 @@
 
 
 void test3() {
-  // This should codegen as a "@test3.x" global + memcpy.
+  // This should codegen as a memset.
   int x[100] = { 0 };
   foo(x);