libminiupnpc: add license hash

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 452339abd6f8cbaebd00840ff4464f6f16182601)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libminiupnpc/libminiupnpc.hash

@@ -1,2 +1,3 @@
 # Locally computed
 sha256 d434ceb8986efbe199c5ca53f90ed53eab290b1e6d0530b717eb6fa49d61f93b  miniupnpc-2.0.tar.gz
+sha256 4025f2214fa46ad40c156605b83d66e8faf45823e67eb3337af3869716e6d7dd  LICENSE