REORG: include: move base64.h, errors.h and hash.h from common to to haproxy/
These ones do not depend on any other file. One used to include
haproxy/api.h but that was solely for stddef.h.
diff --git a/src/listener.c b/src/listener.c
index ab9f84b..a1b6ae4 100644
--- a/src/listener.c
+++ b/src/listener.c
@@ -20,7 +20,7 @@
#include <haproxy/api.h>
#include <common/cfgparse.h>
-#include <common/errors.h>
+#include <haproxy/errors.h>
#include <common/mini-clist.h>
#include <common/standard.h>
#include <common/time.h>