This update for mozjs52 provides the following fixes:

- Fix building failing on PowerPC due to memory constraints.
- Fix build errors on ppc64 (BE). (boo#1093033)
- Fix armv6 build by fixing armv6 detection.
- Use system zlib instead of the bundled one to avoid potential problems when trying to
use system zlib while mozjs52-devel is installed. (boo#1082720)
- Drop unused dependency on zip.

This update was imported from the SUSE:SLE-15:Update update project.