Fix bug when gzungetc() is used immediately after gzopen().
authortb <tb@openbsd.org>
Sat, 12 Aug 2023 13:49:29 +0000 (13:49 +0000)
committertb <tb@openbsd.org>
Sat, 12 Aug 2023 13:49:29 +0000 (13:49 +0000)
commitcaf6bd1d575af699bee0a8879806121769df6981
treec5e0e80693b76b810b791ea5115f8723cf5a2a58
parenteef95d0bf4e34f276ee8dfedd65f2d18881af038
Fix bug when gzungetc() is used immediately after gzopen().

from upstream
lib/libz/gzread.c