audio_mixer: remove recursion

configure.ac

@@ -4189,7 +4189,6 @@ AC_CONFIG_FILES([
   modules/access/rtp/Makefile
   modules/access_output/Makefile
   modules/audio_filter/Makefile
-  modules/audio_mixer/Makefile
   modules/control/Makefile
   modules/gui/Makefile
   modules/gui/macosx/Makefile

modules/Makefile.am

@@ -4,7 +4,6 @@ noinst_HEADERS =
 BASE_SUBDIRS = \
 	access/rtp \
 	audio_filter \
-	audio_mixer \
 	control \
 	gui \
 	misc \
@@ -42,6 +41,7 @@ dist_noinst_DATA = MODULES_LIST
 include common.am
 include access/Makefile.am
 include arm_neon/Makefile.am
+include audio_mixer/Makefile.am
 include audio_output/Makefile.am
 include codec/Makefile.am
 include demux/Makefile.am

modules/audio_mixer/Makefile.am

-include $(top_srcdir)/modules/common.am
 audio_mixerdir = $(pluginsdir)/audio_mixer
 
-libfloat_mixer_plugin_la_SOURCES = float.c
+libfloat_mixer_plugin_la_SOURCES = audio_mixer/float.c
 libfloat_mixer_plugin_la_CPPFLAGS = $(AM_CPPFLAGS)
 libfloat_mixer_plugin_la_LIBADD = $(LIBM)
 
-libinteger_mixer_plugin_la_SOURCES = integer.c
+libinteger_mixer_plugin_la_SOURCES = audio_mixer/integer.c
 libinteger_mixer_plugin_la_CPPFLAGS = $(AM_CPPFLAGS)
 
 audio_mixer_LTLIBRARIES = \