Whitespace.

llvm-svn: 172881
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 9cf5e73..29d3176 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -6683,7 +6683,7 @@
     void VisitObjCMessageExpr(ObjCMessageExpr *E) { return; }
 
     void HandleDeclRefExpr(DeclRefExpr *DRE) {
-      Decl* ReferenceDecl = DRE->getDecl(); 
+      Decl* ReferenceDecl = DRE->getDecl();
       if (OrigDecl != ReferenceDecl) return;
       unsigned diag = isReferenceType
           ? diag::warn_uninit_self_reference_in_reference_init