Fix a missing space noticed by matthewbg in code review.

llvm-svn: 133577
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 7c1aa9c..661bb1e 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -375,7 +375,7 @@
 }
 
 void StmtProfiler::VisitBinaryConditionalOperator(
-    const BinaryConditionalOperator *S){
+    const BinaryConditionalOperator *S) {
   VisitExpr(S);
 }