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/filters.c b/src/filters.c
index 9b6bd5b..3d7bb45 100644
--- a/src/filters.c
+++ b/src/filters.c
@@ -14,7 +14,7 @@
#include <common/buffer.h>
#include <common/debug.h>
#include <common/cfgparse.h>
-#include <common/errors.h>
+#include <haproxy/errors.h>
#include <common/htx.h>
#include <common/namespace.h>
#include <common/standard.h>