[4.0] 05765d4 %hh length modifier added for non-printabale chars.

[Lasse Karstensen]

commit 05765d4be29b0717086cccd827b953585fd23640
Author: arianna-aondio <arianna.aondio at varnish-software.com>
Date:   Fri Dec 19 10:04:00 2014 +0100

    %hh length modifier added for non-printabale chars.

diff --git a/bin/varnishncsa/varnishncsa.c b/bin/varnishncsa/varnishncsa.c
index dcda6e5..6e01e60 100644
--- a/bin/varnishncsa/varnishncsa.c
+++ b/bin/varnishncsa/varnishncsa.c
@@ -222,7 +222,7 @@ vsb_esc_cat(struct vsb *sb, const char *b, const char *e)
 				break;
 			}
 		} else
-			VSB_printf(sb, "\\x%02x", *b);
+			VSB_printf(sb, "\\x%02hhx", *b);
 	}
 
 	return (VSB_error(sb));