Move err.h replacements into compat lib.

Move implementations of err.h replacement functions into their own file
in the libopenbsd-compat so we can use them in kexfuzz.c too.  ok djm@

1 files changed, 3 insertions, 1 deletions

diff --git a/regress/misc/kexfuzz/kexfuzz.c b/regress/misc/kexfuzz/kexfuzz.c
index e6751d31c..2894d3a1e 100644
--- a/regress/misc/kexfuzz/kexfuzz.c
+++ b/regress/misc/kexfuzz/kexfuzz.c
@@ -17,7 +17,9 @@
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
-#include <err.h>
+#ifdef HAVE_ERR_H
+# include <err.h>
+#endif
 
 #include "ssherr.h"
 #include "ssh_api.h"