Fix indent.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170918 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseAST.cpp b/lib/Parse/ParseAST.cpp
index 1c500a2..5e769c5 100644
--- a/lib/Parse/ParseAST.cpp
+++ b/lib/Parse/ParseAST.cpp
@@ -129,7 +129,7 @@
       // is due to a top-level semicolon, an action override, or a parse error
       // skipping something.
       if (ADecl && !Consumer->HandleTopLevelDecl(ADecl.get()))
-	return;
+        return;
     } while (!P.ParseTopLevelDecl(ADecl));
   }