ppc64 fixes

Per update in bug PR1338563, mozjs17-17.0.0-19 and above have this fix.

• mozjs17-17.0.0-16.fc24.ppc64.rpm
• mozjs17-devel-17.0.0-16.fc24.ppc64.rpm
• mozjs17-debuginfo-17.0.0-16.fc24.ppc64.rpm