commit b2e7d31ee036249faf5099d0a548d8e0b1dcc520
from: Landry Breuil <landry@openbsd.org>
date: Mon Oct 31 13:18:01 2022 UTC

send a newline first if erroring out in plaintext mode

otherwise, the webserver might complain:
'upstream sent invalid header: "gotwebd\x20..." while reading response header from upstream'

ok stsp@

commit - 21f077265038a0c30c857035d2ab286f293573b1
commit + b2e7d31ee036249faf5099d0a548d8e0b1dcc520
blob - 49409e54cca0ca1ec80f673b1720f6c8fb9ea677
blob + 62c8c986ac17851a371bfa80e6bdff7c7dd2084f
--- gotwebd/gotweb.c
+++ gotwebd/gotweb.c
@@ -282,7 +282,7 @@ render:
 err:
 	if (html && fcgi_printf(c, "<div id='err_content'>") == -1)
 		return;
-	if (fcgi_printf(c, "%s", err) == -1)
+	if (fcgi_printf(c, "\n%s", err) == -1)
 		return;
 	if (error) {
 		if (fcgi_printf(c, "%s", error->msg) == -1)