commit bash-20161230 snapshot

builtins/return.def

@@ -46,13 +46,10 @@ $END
 #include "../bashintl.h"
 
 #include "../shell.h"
+#include "../execute_cmd.h"
 #include "common.h"
 #include "bashgetopt.h"
 
-extern int last_command_exit_value;
-extern int subshell_environment;
-extern int return_catch_flag, return_catch_value;
-
 /* If we are executing a user-defined function then exit with the value
    specified as an argument.  if no argument is given, then the last
    exit status is used. */