fix alsa-plugins for musl libc, from OE

package/alsa-plugins/Makefile

@@ -5,7 +5,7 @@ include $(ADK_TOPDIR)/rules.mk
 
 PKG_NAME:=		alsa-plugins
 PKG_VERSION:=		1.0.28
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_HASH:=		426f8af1a07ee9d8c06449524d1f0bd59a06e0331a51aa3d59d343a7c6d03120
 PKG_DESCR:=		sound library plugins
 PKG_SECTION:=		libs/audio

package/alsa-plugins/patches/patch-arcam-av_arcam_av_c

@@ -0,0 +1,10 @@
+--- alsa-plugins-1.0.28.orig/arcam-av/arcam_av.c	2014-06-12 11:32:45.000000000 +0200
++++ alsa-plugins-1.0.28/arcam-av/arcam_av.c	2016-02-05 06:35:56.000000000 +0100
+@@ -31,6 +31,7 @@
+ #include <unistd.h>
+ 
+ #include <sys/ipc.h>
++#include <sys/select.h>
+ #include <sys/shm.h>
+ #include <sys/stat.h>
+ #include <sys/stat.h>