Add a bunch of missing "CHECK" colons in tests.  NFC.

llvm-svn: 232237
diff --git a/clang/test/CodeGenObjCXX/message-reference.mm b/clang/test/CodeGenObjCXX/message-reference.mm
index 7a1b96e..636de13 100644
--- a/clang/test/CodeGenObjCXX/message-reference.mm
+++ b/clang/test/CodeGenObjCXX/message-reference.mm
@@ -17,4 +17,4 @@
 
 // CHECK: [[T:%.*]] = call dereferenceable({{[0-9]+}}) i32* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend
 // CHECK: [[U:%.*]] = load i32, i32* [[T]]
-// CHECK  [[V:%.*]] = icmp eq i32 [[U]], 0
+// CHECK: [[V:%.*]] = icmp eq i32 [[U]], 0