configure.ac: don't use internal GNU libtool functions
This doesn't work when using slibtoolize instead of GNU libtoolize and is not necessary anyways.
Signed-off-by: orbea orbea@riseup.net
This doesn't work when using slibtoolize instead of GNU libtoolize and is not necessary anyways.
Signed-off-by: orbea orbea@riseup.net