Tvheadend

My nightly PPA build failed again. Here is the error message:

src/transcoding/codec/codecs/libs/omx.c: In function ‘tvh_codec_profile_omx_destroy’:
src/transcoding/codec/codecs/libs/omx.c:114:10: error: passing argument 1 of ‘free’ discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
     free(self->libname);
          ^~~~
In file included from /<<PKGBUILDDIR>>/src/tvheadend.h:25:0,
                 from /<<PKGBUILDDIR>>/src/transcoding/codec.h:28,
                 from /<<PKGBUILDDIR>>/src/transcoding/codec/internals.h:25,
                 from src/transcoding/codec/codecs/libs/omx.c:21:
/usr/include/stdlib.h:448:13: note: expected ‘void *’ but argument is of type ‘const char *’
 extern void free (void *__ptr) __THROW;
             ^~~~
src/transcoding/codec/codecs/libs/omx.c:115:10: error: passing argument 1 of ‘free’ discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
     free(self->libprefix);
          ^~~~
In file included from /<<PKGBUILDDIR>>/src/tvheadend.h:25:0,
                 from /<<PKGBUILDDIR>>/src/transcoding/codec.h:28,
                 from /<<PKGBUILDDIR>>/src/transcoding/codec/internals.h:25,
                 from src/transcoding/codec/codecs/libs/omx.c:21:
/usr/include/stdlib.h:448:13: note: expected ‘void *’ but argument is of type ‘const char *’
 extern void free (void *__ptr) __THROW;
             ^~~~
cc1: all warnings being treated as errors
Makefile:685: recipe for target '/<<PKGBUILDDIR>>/build.linux/src/transcoding/codec/codecs/libs/omx.o' failed

The complete build log can be found at https://launchpadlibrarian.net/339209359/buildlog_ubuntu-artful-amd64.tvheadend_4.3-513~g570b0d476~artful_BUILDING.txt.gz.