Undo stray whitespace change

Author: lukel97

llvm/test/Transforms/LoopVectorize/vplan-iv-transforms.ll

@@ -29,7 +29,7 @@ define void @iv_no_binary_op_in_descriptor(i1 %c, ptr %dst) {
 ; CHECK-NEXT: }
 ; CHECK-NEXT: Successor(s): middle.block
 ; CHECK-EMPTY:
- ; CHECK-NEXT: middle.block:
+; CHECK-NEXT: middle.block:
 ; CHECK-NEXT:    EMIT vp<[[CMP:%.+]]> = icmp eq ir<1000>, vp<[[VEC_TC]]>
 ; CHECK-NEXT:    EMIT branch-on-cond vp<[[CMP]]>
 ; CHECK-NEXT:  Successor(s): ir-bb<exit>, scalar.ph