Comment # 8 on bug 947278 from Andreas Jaeger

Just downloaded and installed the package from
http://download.opensuse.org/distribution/leap/42.1-Current/repo/oss/suse/x86_64/libpng15-15-1.5.22-2.1.x86_64.rpm

# rpm -qlpv libpng15-15-1.5.22-2.1.x86_64.rpm 
lrwxrwxrwx    1 root    root                       13 Sep 27 10:58
/usr/lib64/libpng15.so.15 -> 15.so.15.22.0
-rwxr-xr-x    1 root    root                   202712 Sep 27 10:58
/usr/lib64/libpng15.so.15.22.0

This is fixed now, thanks!