[X86] Fix whitespace issue in CombineSetCC; NFC

llvm/lib/Target/X86/X86ISelLowering.cpp

   if (N->isOnlyUserOf(N0.getNode())) {
     if (SDValue C = TryConstantFold(N0))
       return C;
 
     // Fold (shift (logic X, C2), C1) -> (logic (shift X, C1), (shift C2, C1))
     // Don't break NOT patterns.
     SDValue BC = peekThroughOneUseBitcasts(N0);
     if (ISD::isBitwiseLogicOp(BC.getOpcode()) &&
-        BC->isOnlyUserOf(BC.getOperand(1).getNode()) && 
+        BC->isOnlyUserOf(BC.getOperand(1).getNode()) &&
         !ISD::isBuildVectorAllOnes(BC.getOperand(1).getNode())) {
       if (SDValue RHS = TryConstantFold(BC.getOperand(1))) {
         SDLoc DL(N);
         SDValue LHS = DAG.getNode(Opcode, DL, VT,
                                   DAG.getBitcast(VT, BC.getOperand(0)), N1);
         return DAG.getNode(BC.getOpcode(), DL, VT, LHS, RHS);
       }
     }