rtpproxy: move initscript to src/initscripts/packages and use new macro

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

lfs/rtpproxy

@@ -80,6 +80,8 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	cd $(DIR_APP) && ./configure --prefix=/usr --sysconfdir=/etc
 	cd $(DIR_APP) && make $(MAKETUNING)
 	cd $(DIR_APP) && make install
+	#install initscripts
+	$(call INSTALL_INITSCRIPT,rtpproxy)
 	@rm -rf $(DIR_APP)
 	@$(POSTBUILD)