Fix some broken CHECK lines.

The colon is important.

llvm-svn: 292761
diff --git a/llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll b/llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll
index b446d24..2434f20 100644
--- a/llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll
+++ b/llvm/test/Transforms/GlobalOpt/externally-initialized-aggregate.ll
@@ -5,11 +5,11 @@
 ; store to @a[0] from being constant propagated to the load in @foo, but will not
 ; prevent @a[1] from being removed since it is dead.
 ; CHECK: @a.0 = internal unnamed_addr externally_initialized global i32 undef
-; CHECK-NOT @a.1
+; CHECK-NOT: @a.1
 @a = internal externally_initialized global [2 x i32] undef, align 4
 ; This is the same, but a struct rather than an array.
 ; CHECK: @b.0 = internal unnamed_addr externally_initialized global i32 undef
-; CHECK-NOT @b.1
+; CHECK-NOT: @b.1
 @b = internal externally_initialized global {i32, i32} undef, align 4
 
 define i32 @foo() {