packaging: bundle ffmpeg for debian oci

Because we forgot it on b06f51d3

Change-Id: Id05b71f4e2aa70d1105202a67194d8bae2c61f3e

packaging/rules/debian-one-click-install/rules

@@ -50,7 +50,8 @@ override_dh_auto_configure:
 				--disable-natpmp \
 				--enable-gnutls && \
 		make list && \
-		make -j$(NO_CPUS) V=1
+		make -j$(NO_CPUS) V=1 && \
+		make -j$(NO_CPUS) .ffmpeg V=1
 	cd daemon && \
 		./autogen.sh && \
 		./configure \