merge-recursive: handle NULL in add_cacheinfo() correctly
1335d76e ("merge: avoid "safer crlf" during recording of merge results", 2016-07-08) tried to split make_cache_entry() call made with CE_MATCH_REFRESH into a call to make_cache_entry() without one, followed by a call to add_cache_entry(), refresh_cache() and another add_cache_entry() as needed. However the conversion was botched in that it forgot that refresh_cache() can return NULL, which was handled correctly in make_cache_entry() but in the updated code. This fixes https://github.com/git-for-windows/git/issues/952Signed-off-by: NJohannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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