configure: clarify zlib error message
authorMike Frysinger <vapier@gentoo.org>
Thu, 14 Jan 2016 18:46:18 +0000 (13:46 -0500)
committerMark Wielaard <mjw@redhat.com>
Thu, 14 Jan 2016 22:57:05 +0000 (23:57 +0100)
commit2d703bf188cf434255854d8e3c077f2fac55d623
treefe163e4c6a4d260184c1a6c29a4c8f5c762a3e88
parent7f036dd381506ef9f8422210d74cf38868413d3c
configure: clarify zlib error message

Also drop the spurious quotes.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
configure.ac