gst1-plugins-base: add missing license file hash

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/gstreamer1/gst1-plugins-base/gst1-plugins-base.hash

@@ -1,3 +1,4 @@
 # From https://gstreamer.freedesktop.org/src/gst-plugins-base/gst-plugins-base-1.14.3.tar.xz.sha256sum
 sha256 f0b319c36be0ffc2a00380c77ba269cdf04e2b39bbc49d30b641fc35aa0b7952 gst-plugins-base-1.14.3.tar.xz
 sha256 78fb5977f177ab71cba77a4a127d29b93cb1ca5c25962204b31f183a20cf5c7a COPYING
+sha256 f445dc78b88496f7e20c7a2a461b95baba5865c8919b8289ac24ac0a80c6ce7a COPYING.LIB