Rename move_convert to move_arg and move_res. The new names are less misleading (and shorter).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62466 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseInit.cpp b/lib/Parse/ParseInit.cpp
index ac13902..9b93c18 100644
--- a/lib/Parse/ParseInit.cpp
+++ b/lib/Parse/ParseInit.cpp
@@ -170,7 +170,7 @@
 
       return ParseAssignmentExprWithObjCMessageExprStart(StartLoc,
                                                          SourceLocation(),
-                                                         0, move_convert(Idx));
+                                                         0, move_arg(Idx));
     }
 
     // Create designation if we haven't already.