build/autotools: fix symbol versioning configure check
authorRan Benita <ran234@gmail.com>
Wed, 2 Aug 2017 15:28:17 +0000 (18:28 +0300)
committerRan Benita <ran234@gmail.com>
Wed, 2 Aug 2017 15:34:29 +0000 (18:34 +0300)
commit2a16c3c4825234ae4ed3aefb554699070c70e932
tree5314993d32b0a1bddb0738260ffbc1f99bc07dd8
parentc665b45011826f6d7e7b295bc8ee1ebc7bf11090
build/autotools: fix symbol versioning configure check

Regressed in 4309735. I thought `$top_srcdir` works in configure too,
apparently not!

See: https://github.com/xkbcommon/libxkbcommon/issues/50#issuecomment-319693694

Signed-off-by: Ran Benita <ran234@gmail.com>
configure.ac