fixed "say @" and "say @@" bug

plugins/adminchat.sma

@@ -42,6 +42,7 @@ public cmdSayChat(id) {
   if ( !i || i > 3 ) return PLUGIN_CONTINUE 
   new message[192], a = 0
   read_args(message,191)
+  remove_quotes(message)
   switch(said[i]){ 
     case 'r': a = 1 
     case 'g': a = 2 
@@ -81,6 +82,7 @@ public cmdSayAdmin(id) {
   new message[192], name[32],authid[32], userid
   new players[32], inum
   read_args(message,191)
+  remove_quotes(message)
   get_user_authid(id,authid,31)
   get_user_name(id,name,31)
   userid = get_user_userid(id)