configure.ac: Remove obsolete AC_ERROR and make formatting consistent
authorChris Dickens <christopher.a.dickens@gmail.com>
Mon, 20 Feb 2017 08:18:33 +0000 (00:18 -0800)
committerChris Dickens <christopher.a.dickens@gmail.com>
Mon, 20 Feb 2017 08:22:35 +0000 (00:22 -0800)
commitcb77a25e5129d0c5d92efcc9ae2013e78c5aaecd
treee78ea0423a7ab3c85fb48cb24e74aac9631923aa
parentffdf3c0beb78ae69f2158c0d546397e23e1a52aa
configure.ac: Remove obsolete AC_ERROR and make formatting consistent

Remove unnecessary quotes around simple string values.
Replace AC_ERROR with AC_MSG_ERROR.
Use [] around arguments to macros.

Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
configure.ac
libusb/version_nano.h