Handle extraneous cli args as urls

share/misc/hexchat.desktop

@@ -21,10 +21,11 @@ Comment[fr]=Discutez avec tout le monde sur l'Internet Relay Chat
 Comment[de]=Sich über Internet Relay Chat mit andern Leuten unterhalten
 Comment[it]=Chiacchierare con la gente sull'Internet Relay Chat
 Comment[nb]=Snakk med mennesker på Internet Relay Chat
-Exec=hexchat
+Exec=hexchat %U
 Icon=hexchat
 Terminal=false
 Type=Application
 Categories=GTK;Network;IRCClient;
 StartupNotify=true
 X-GNOME-UsesNotifications=true
+MimeType=x-scheme-handler/irc;x-scheme-handler/ircs;