Drop braces. NFC.

Author: dtcxzyw

llvm/lib/Transforms/Vectorize/VectorCombine.cpp

@@ -4267,9 +4267,8 @@ bool VectorCombine::run() {
     Instruction *I = &BB.front();
     while (I) {
       NextInst = I->getNextNode();
-      if (!I->isDebugOrPseudoInst()) {
+      if (!I->isDebugOrPseudoInst())
         MadeChange |= FoldInst(*I);
-      }
       I = NextInst;
     }
   }