Merged revisions 331315 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r331315 | kmoore | 2011-08-10 08:47:46 -0500 (Wed, 10 Aug 2011) | 8 lines
  
  AMI action ModuleReload returns Error if Module: missing or empty
  
  An empty string was not being checked for properly causing identification of
  the module to be reloaded to fail and return an Error with message
  "No such module."
  
  (closes issue AST-616)
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10@331316 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/manager.c

@@ -4586,7 +4586,7 @@ static int manager_moduleload(struct mansession *s, const struct message *m)
 			astman_send_ack(s, m, "Module unloaded.");
 		}
 	} else if (!strcasecmp(loadtype, "reload")) {
-		if (module != NULL) {
+		if (!ast_strlen_zero(module)) {
 			res = ast_module_reload(module);
 			if (res == 0) {
 				astman_send_error(s, m, "No such module.");