wm: ircd

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improve nick handling a bit

--- a/ircd.c

+++ b/ircd.c

@@ -445,14 +445,16 @@

 {

 	int i;

 	char c;

+	char ok[] = ";0123456789-";

+	/* first char my not be from ok*/

+	if(strchr(ok, s[0]))

+		return 0;

 	i = 0;

 	while((c = s[i]) != '\0' && i < maxlen){

-		if(!((c >= 'a' && c <= 'z') ||

-		     (c >= 'A' && c <= 'Z') ||

-		     (c >= '0' && c <= '9') ||

-		     (c == '_') || (c == ']') ||

-		     (c == '[') || (c == '-')))

+		if (c < 'A' && !strchr(ok, c))

+			return 0;

+		if (c > '}')

 			return 0;

 		i++;

 	}