updated for version 7.4.621
Problem:    Returning 1 in the wrong function. (Raymond Ko)
Solution:   Return 1 in the right function (hopefully).
diff --git a/src/if_lua.c b/src/if_lua.c
index 0ca81e3..d926f73 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -1517,7 +1517,7 @@
 	return 0;
     }
     luaV_totypval(L, -1, rettv);
-    return 1;
+    return 0;
 }
 
     static int
@@ -1548,7 +1548,7 @@
 	abort = set_ref_in_item(&tv, copyID, NULL, NULL);
     }
     lua_pushinteger(L, abort);
-    return 0;
+    return 1;
 }
 
     static int