httpd suicides occasionaly if simple log files
8c found it - p used and not set.

Notes:
Mon Mar 20 08:45:17 EST 2006 rsc
    Thanks.  I fixed the bug by setting p.
    Your fix - testing p - doesn't work
    because p hasn't been set.  It might be
    zero but it might be anything else.
    


Reference: /n/sources/patch/applied/http-bug
Date: Mon Mar 20 01:47:06 CET 2006
Signed-off-by: steve@quintile.net
Reviewed-by: rsc

--- /sys/src/cmd/ip/httpd/log.c	Mon Mar 20 01:45:24 2006
+++ /sys/src/cmd/ip/httpd/log.c	Mon Mar 20 01:45:22 2006
@@ -87,7 +87,10 @@
 			objectsize = va_arg(arg, vlong); /* wrote in sendfd.c */
 			va_end(arg);
 		}
-		bufp = seprint(buf, bufe, "%s - -", p->remotesys);
+		if (p)
+			bufp = seprint(buf, bufe, "%s - -", p->remotesys);
+		else
+			bufp = seprint(buf, bufe, "- - -");
 		bufp = seprint(bufp, bufe, " [%.2d/%s/%d:%.2d:%.2d:%.2d +0000]", tm->mday, monname[tm->mon], tm->year+1900, tm->hour, tm->min, tm->sec);
 		if(c->req.uri == nil || c->req.uri[0] == 0){
 			bufp = seprint(bufp, bufe, " \"%.*s\"",