move swscale and chain with other video conversion filters

modules/video_chroma/Modules.am

@@ -34,6 +34,14 @@ SOURCES_yuy2_i420 = \
 
 SOURCES_rv32 = rv32.c
 
+libchain_plugin_la_SOURCES = chain.c
+libchain_plugin_la_CPPFLAGS = $(AM_CPPFLAGS)
+
+libswscale_plugin_la_SOURCES = swscale.c ../codec/avcodec/chroma.c
+libswscale_plugin_la_CFLAGS = $(AM_CFLAGS) $(SWSCALE_FLAGS)
+libswscale_plugin_la_LIBADD = $(AM_LIBADD) $(SWSCALE_LIBS)
+EXTRA_LTLIBRARIES += libswscale_plugin.la
+
 libvlc_LTLIBRARIES += \
 	libi420_rgb_plugin.la \
 	libi420_yuy2_plugin.la \
@@ -43,7 +51,8 @@ libvlc_LTLIBRARIES += \
 	libyuy2_i420_plugin.la \
 	libyuy2_i422_plugin.la \
 	librv32_plugin.la \
-	$(NULL)
+	libchain_plugin.la \
+	$(LTLIBswscale)
 
 libchroma_omx_plugin_la_SOURCES = omxdl.c
 libchroma_omx_plugin_la_CFLAGS = $(AM_CFLAGS) $(OMXIP_CFLAGS)

modules/video_filter/Modules.am

@@ -97,9 +97,7 @@ SOURCES_grain = grain.c
 SOURCES_croppadd = croppadd.c
 SOURCES_canvas = canvas.c
 SOURCES_blendbench = blendbench.c
-SOURCES_chain = chain.c
 SOURCES_postproc = postproc.c
-SOURCES_swscale = swscale.c ../codec/avcodec/chroma.c
 SOURCES_scene = scene.c
 SOURCES_sepia = sepia.c
 SOURCES_yuvp = yuvp.c
@@ -140,7 +138,6 @@ libvlc_LTLIBRARIES += \
 	libblendbench_plugin.la \
 	libbluescreen_plugin.la \
 	libcanvas_plugin.la \
-	libchain_plugin.la \
 	libclone_plugin.la \
 	libcolorthres_plugin.la \
 	libcroppadd_plugin.la \