8138733: Fix build: gcc < 4.8 doesn't grok -Wno-format-zero-length added in 8080775 Summary: Also fix one problematic format on ppc. Reviewed-by: david, simonis

^build/
^dist/
^webrev
^testoutput/
/nbproject/private/
^make/netbeans/.*/build/
^make/netbeans/.*/dist/
^.hgtip
.DS_Store