xslt docbook styles differ across distributions, which requires some
workarounds [1]. Try to check the manpage stylesheet path with
xmlcatalog and fallback to the original one.
Add option --with-xml-catalog to use non-default catalog.
+ remove trailing whitespace
[1] https://github.com/CESNET/ipfixcol/blob/master/base/m4/lbr_check_xsltproc.m4
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
