* tools/po/po-update.sh:    Remove 'function' keyword for sh-compatible.   Add '--no-wrap' to msgmerge, minimize spurious diffs.
* tools/po/po-update.sh: 
  Remove 'function' keyword for sh-compatible.
  Add '--no-wrap' to msgmerge, minimize spurious diffs.

Approved by: dlr

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion