.tar.gz makes no sense for Nandroid output filenames; change to .emmc.gz

Author: dlenski

tetherback/tetherback.py

@@ -156,7 +156,7 @@ def plan_backup(args):
     # Build table of partitions requested for backup
     if args.nandroid:
         rp = args.extra + [x for x in ('boot','recovery','system','userdata','cache') if getattr(args, x)]
-        plan = odict((p,BackupPlan('%s.tar.gz'%p, None)) for p in rp)
+        plan = odict((p,BackupPlan('%s.emmc.gz'%p, None)) for p in rp)
     else:
         rp = args.extra + [x for x in ('boot','recovery') if getattr(args, x)]
         plan = odict((p,BackupPlan('%s.emmc.win'%p, None)) for p in rp)