alias: add default alias umode => /mode $nick

ChangeLog

@@ -42,6 +42,7 @@ Version 0.3.7 (under dev!)
 * api: add new functions strcasecmp_range, strncasecmp_range,
   hashtable_map_string, hdata_check_pointer, hdata_char, hdata_hashtable and
   nicklist_get_next_item
+* alias: add default alias umode => /mode $nick
 * irc: use redirection to get channel modes after update of modes on channel,
   display output of /mode #channel, allow /mode without argument (display modes
   of current channel or user modes on server buffer)

src/plugins/alias/alias-config.c

@@ -58,6 +58,7 @@ char *alias_default_list[][2] =
   { "SIGNOFF", "quit"                 },
   { "T",       "topic"                },
   { "UB",      "unban"                },
+  { "UMODE",   "mode $nick"           },
   { "V",       "command core version" },
   { "W",       "who"                  },
   { "WC",      "window merge"         },