Switching to using dyn_cast_or_null, and fixing line endings in the test case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150209 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/init.c b/test/Sema/init.c
index 4dcfafa..81a665d 100644
--- a/test/Sema/init.c
+++ b/test/Sema/init.c
@@ -18,12 +18,12 @@
 void *g = &x;
 int *h = &x;
 
-struct union_crash

-{

-    union

-    {

-    };

-};

+struct union_crash
+{
+    union
+    {
+    };
+};
 
 int test() {
   int a[10];