- Fixed implicit declaration compiler warning if compiling for ipv6.

- Fixed some small memory leak on rehash.
- Removed spamfilter-oversized-checking when trying to REMOVE one.. duh.. reported by satmd
  (#00029160).

src/api-command.c

@@ -116,6 +116,7 @@ void CommandDel(Command *command) {
 		if (!*tmp)
 		{
 			IsupportDel(IsupportFind("CMDS"));
+			free(tmp);
 			cmdstr = NULL;
 		}
 		else