REORG: include: split mailers.h into haproxy/mailers{,-t}.h
The file mostly contained struct definitions but there was also a
variable export. Most of the stuff currently lies in checks.h and
should definitely move here!
diff --git a/include/proto/checks.h b/include/proto/checks.h
index 04c9eeb..d24943e 100644
--- a/include/proto/checks.h
+++ b/include/proto/checks.h
@@ -23,7 +23,7 @@
#define _PROTO_CHECKS_H
#include <haproxy/action-t.h>
-#include <types/mailers.h>
+#include <haproxy/mailers.h>
#include <types/checks.h>
const char *get_check_status_description(short check_status);