Fix whitespace

Author: chrisjbris

llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp

@@ -735,7 +735,7 @@ static bool hasSourceMods(const SDNode *N) {
   case ISD::INLINEASM:
   case ISD::INLINEASM_BR:
   case AMDGPUISD::DIV_SCALE:
-  case ISD::INTRINSIC_W_CHAIN: 
+  case ISD::INTRINSIC_W_CHAIN:
 
   // TODO: Should really be looking at the users of the bitcast. These are
   // problematic because bitcasts are used to legalize all stores to integer