Fix bug in do_fetch, skip empty line

diff --git a/git-remote-gcrypt b/git-remote-gcrypt
index c0a44d4caf0e44e139424ea5f00b8f863b39453e..11a018d6c6c03eabf585a2aa17c3b5d3782ebcd2 100755 (executable)
--- a/git-remote-gcrypt
+++ b/git-remote-gcrypt
@@ -295,6 +295,7 @@ do_fetch()
 
        printf "%s\n" "$PNEED" | while read PACKLINE
        do
+               [ -z "$PACKLINE" ] && break
                PACK=${PACKLINE#"$PACKPFX"}
                RCVID="$(GET "$URL" "$PACK" | tee "$TMPPACK_ENCRYPTED" | pack_hash)"
                if [ "$RCVID" != "$PACK" ]