Fix memory leaks

channels.c

@@ -298,6 +298,7 @@ channels_load(void)
 	continue;
       channel_load_one(c, atoi(f->hmf_name));
     }
+    htsmsg_destroy(l);
   }
 }
 

dtable.c

@@ -89,6 +89,7 @@ dtable_load(dtable_t *dt)
 	htsmsg_destroy(m);
       }
     }
+    htsmsg_destroy(l);
   }
   return records;
 }