builtin/merge-file.c: use error_errno()
commit62f94d54a98983a19cc9dc82daec5c76df466b0b
authorNguyễn Thái Ngọc Duy <pclouds@gmail.com>
Sun, 8 May 2016 09:47:29 +0000 (8 16:47 +0700)
committerJunio C Hamano <gitster@pobox.com>
Mon, 9 May 2016 19:29:08 +0000 (9 12:29 -0700)
tree14430bbd0390192534baed5d19aae7753e83314c
parent880c0aef0fa8229ff4d3bc96f1f221ebf36443fe
builtin/merge-file.c: use error_errno()

All these error() calls do not print error message previously, but
because when they are called, errno should be set. Use error_errno()
instead to give more information.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
builtin/merge-file.c