configure.ac: more quoting
authorJim Meyering <jim@meyering.net>
Thu, 30 Jul 2009 12:03:48 +0000 (14:03 +0200)
committerRichard Jones <rjones@redhat.com>
Thu, 30 Jul 2009 12:44:35 +0000 (13:44 +0100)
commitbbe5877b6c86ace6f27c6f95c559a61888693923
treec9c4eada77e1747b0aafe826c42a6471f3315b38
parent995752f9ca73c0991d969d26be7494914b5f3aaf
configure.ac: more quoting

Also, prohibit an invalid value of $JAVA_HOME,
since it must be used unquoted below.
configure.ac