BSC: Fix bsc_subsc leak on paging

The OsmoBSC code contained a refcount leak on bsc_subscr in the paging
code.  For every PAGING command received from the MSC we consistently
leaked one refcount, resulting in a resulting memory leak.

Change-Id: I3d0fb406ca2a1042c6c3424e0dd263c1933b0d50
Closes: OS#2780
1 file changed