Merged revisions 275186 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

................
  r275186 | mnicholson | 2010-07-09 13:24:03 -0500 (Fri, 09 Jul 2010) | 9 lines
  
  Merged revisions 275182 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r275182 | mnicholson | 2010-07-09 13:23:23 -0500 (Fri, 09 Jul 2010) | 2 lines
    
    give a better error message when attempting to unload a module that is not loaded
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@275191 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/loader.c

@@ -494,8 +494,10 @@ int ast_unload_resource(const char *resource_name, enum ast_module_unload_mode f
 		return -1;
 	}
 
-	if (!mod->flags.running || mod->flags.declined)
+	if (!mod->flags.running || mod->flags.declined) {
+		ast_log(LOG_WARNING, "Unload failed, '%s' is not loaded.\n", resource_name);
 		error = 1;
+	}
 
 	if (!error && (mod->usecount > 0)) {
 		if (force)