Fix audio API and wifi build error.

Change-Id: Ie88c4b0eff5b481df084b3fb8a63a69b6ebe295b
diff --git a/build.sh b/build.sh
index 96a6346..30a0414 100755
--- a/build.sh
+++ b/build.sh
@@ -71,6 +71,7 @@
 	#cp -f out/bin/* $1/bin
 	[ -f out/bin/at ] && cp -f out/bin/at $1/bin
 	[ -f out/bin/mbtk_rild ] && cp -f out/bin/mbtk_rild $1/bin
+	[ -f out/bin/mbtk_rtpd ] && cp -f out/bin/mbtk_rtpd $1/bin
 	[ -f out/bin/mbtk_logd ] && cp -f out/bin/mbtk_logd $1/bin
 	[ -f out/bin/mbtk_adbd ] && cp -f out/bin/mbtk_adbd $1/bin
 	[ -f out/bin/mbtk_mdio ] && cp -f out/bin/mbtk_mdio $1/bin