Hi
That one is available in the updates repository...

I see;
Code:
zypper if libpng12-0

Information for package libpng12-0:

Repository: updates
Name: libpng12-0
Version: 1.2.31-5.38.1
Arch: i586
Vendor: SUSE LINUX Products GmbH, Nuernberg, Germany
Support Level: Level 3
Installed: Yes
Status: up-to-date
Manual download available here if you have an active subscription;
https://download.novell.com/Download...d=BBNiZyJw4c4~