video_filter: remove Makefile recursion

configure.ac

@@ -4141,7 +4141,6 @@ AC_CONFIG_FILES([
   modules/gui/skins2/Makefile
   modules/mux/Makefile
   modules/stream_out/Makefile
-  modules/video_filter/Makefile
   modules/visualization/Makefile
   modules/hw/mmal/Makefile
 ])

modules/Makefile.am

@@ -5,7 +5,6 @@ EXTRA_DIST =
 
 BASE_SUBDIRS = \
 	gui \
-	video_filter \
 	visualization
 EXTRA_SUBDIRS = \
 	access_output \
@@ -49,6 +48,7 @@ include services_discovery/Makefile.am
 include stream_filter/Makefile.am
 include text_renderer/Makefile.am
 include video_chroma/Makefile.am
+include video_filter/Makefile.am
 include video_splitter/Makefile.am
 include video_output/Makefile.am
 

modules/video_filter/.gitignore

-Makefile.am

modules/video_filter/atmo/atmo.cpp

@@ -45,7 +45,7 @@
 #include <vlc_atomic.h>
 #include <vlc_charset.h>
 
-#include "filter_picture.h"
+#include "../filter_picture.h"
 
 #include "AtmoDefs.h"
 #include "AtmoDynData.h"