Trivial style fix.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58689 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 58541af..85129b4 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -1074,7 +1074,7 @@
 bool Expr::isNullPointerConstant(ASTContext &Ctx) const {
   // Strip off a cast to void*, if it exists. Except in C++.
   if (const ExplicitCastExpr *CE = dyn_cast<ExplicitCastExpr>(this)) {
-    if(!Ctx.getLangOptions().CPlusPlus) {
+    if (!Ctx.getLangOptions().CPlusPlus) {
       // Check that it is a cast to void*.
       if (const PointerType *PT = CE->getType()->getAsPointerType()) {
         QualType Pointee = PT->getPointeeType();