Don't use deprecated rsvg_set_default_dpi()

Use rsvg_handle_set_dpi() instead.
1 job for master in 1 minute and 1 second (queued for 6 minutes)
Status Job ID Name Coverage
failed #167799


Name Stage Failure
fedora:test Test
checking for pixman... no
checking whether cairo's image surface backend feature could be enabled... no (requires pixman-1 >= 0.36.0
configure: error: mandatory image surface backend feature could not be enabled
Uploading artifacts...
WARNING: test/*.log: no matching files
WARNING: test/pdiff/*.log: no matching files
WARNING: test/output: no matching files
ERROR: No files to upload
ERROR: Job failed: exit code 1