epl-profile-parser: plug a memory leak.

g_key_file_get_groups() returns a pointer to g_mallocated data; we need
to pass its return value to g_strfreev() when we're done with that data,
to free it up.

epan/dissectors/packet-epl-profile-parser.c

@@ -283,6 +283,7 @@ epl_eds_load(struct profile *profile, const char *eds_file)
 			epl_wmem_iarray_insert(obj->subindices, subobj.info.idx, &subobj.range);
 		}
 	}
+	g_strfreev(groups);
 
 	/* Unlike with XDDs, subindices might interleave with others, so let's sort them now */
 	wmem_map_foreach(profile->objects, sort_subindices, NULL);