[gardening] Put white spaces in between if/while clauses and braces where it is missing.

For instance:

'if (foo){' => 'if (foo) {'

lib/SILOptimizer/LoopTransforms/ArrayBoundsCheckOpts.cpp

@@ -1115,7 +1115,7 @@ static bool hoistBoundsChecks(SILLoop *Loop, DominanceInfo *DT, SILLoopInfo *LI,
   // Find canonical induction variables.
   InductionAnalysis IndVars(DT, IVs, Preheader, Header, ExitingBlk, ExitBlk);
   bool IVarsFound = IndVars.analyse();
-  if (!IVarsFound){
+  if (!IVarsFound) {
     DEBUG(llvm::dbgs() << "No induction variables found\n");
   }