irc: fix memory leak in message parser (when called from other plugins like relay) (bug #33387)

ChangeLog

@@ -11,6 +11,8 @@ Version 0.3.6 (under dev!)
   /window scroll_horiz) (task #11112)
 * api: fix bug with function config_set_desc_plugin (use immediately
   description for option when function is called)
+* irc: fix memory leak in message parser (when called from other plugins like
+  relay) (bug #33387)
 * irc: fix memory leak on plugin unload (free ignores)
 * logger: add option logger.file.flush_delay (task #11118)
 

src/plugins/irc/irc-message.c

@@ -194,6 +194,17 @@ irc_message_parse_to_hashtable (const char *message)
     weechat_hashtable_set (hashtable, "channel", (channel) ? channel : empty_str);
     weechat_hashtable_set (hashtable, "arguments", (arguments) ? arguments : empty_str);
     
+    if (nick)
+        free (nick);
+    if (host)
+        free (host);
+    if (command)
+        free (command);
+    if (channel)
+        free (channel);
+    if (arguments)
+        free (arguments);
+    
     return hashtable;
 }