zoom: ccl_err_msg may return 0
authorAdam Dickmeiss <adam@indexdata.dk>
Wed, 29 Feb 2012 08:53:51 +0000 (09:53 +0100)
committerAdam Dickmeiss <adam@indexdata.dk>
Wed, 29 Feb 2012 08:53:51 +0000 (09:53 +0100)
commitac9068da01ea574d6f9f29204b3d126515fb8a1b
tree3f3b6a5377d037796bf8f840ca6ff794da52957d
parent4dc76c583b5304becb202df6becf189f4b533bfe
zoom: ccl_err_msg may return 0

So use odr_strdup_null. Just in case.
src/filter_zoom.cpp