BUILD: pattern: include errno.h

Commit 3c79d4bdc introduced the use of errno in pattern.c without
including errno.h.
If we build haproxy without any option errno is not defined and the
build fails.

diff --git a/src/pattern.c b/src/pattern.c
index 33e0e17f275d4345465d93b6c09d0f5380e41a88..90067cd2341e4561a767f8aee2b8737b4f25457d 100644 (file)
--- a/src/pattern.c
+++ b/src/pattern.c
@@ -12,6 +12,7 @@
 
 #include <ctype.h>
 #include <stdio.h>
+#include <errno.h>
 
 #include <common/config.h>
 #include <common/standard.h>