REORG: include: move filters.h to haproxy/filters{,-t}.h

Just a minor change, moved the macro definitions upwards. A few caller
files were updated since they didn't need to include it.
diff --git a/include/types/fcgi-app.h b/include/types/fcgi-app.h
index b314d69..4d1581b 100644
--- a/include/types/fcgi-app.h
+++ b/include/types/fcgi-app.h
@@ -26,13 +26,12 @@
 #include <haproxy/api-t.h>
 #include <import/ist.h>
 #include <haproxy/fcgi.h>
+#include <haproxy/filters-t.h>
 #include <haproxy/list-t.h>
 #include <haproxy/regex-t.h>
 
 #include <import/ebistree.h>
 
-#include <types/filters.h>
-
 #define FCGI_APP_FL_KEEP_CONN     0x00000001 /* Keep the connection alive */
 #define FCGI_APP_FL_GET_VALUES    0x00000002 /* Retrieve FCGI variables on connection establishment */
 #define FCGI_APP_FL_MPXS_CONNS    0x00000004 /* FCGI APP supports connection multiplexing */