Fix spelling in Punjabi text sample.
Fix spelling in Punjabi text sample.

Upstream maintainer doesn't want to take the fix, because of uncertainty
of how it meshes with the remainder of the translation.  Not an issue for us.

dougfelt/nototools,moyogo/nototools,moyogo/nototools,dougfelt/nototools,anthrotype/nototools,googlei18n/nototools,googlefonts/nototools,dougfelt/nototools,googlefonts/nototools,anthrotype/nototools,moyogo/nototools,googlefonts/nototools,googlefonts/nototools,anthrotype/nototools,googlei18n/nototools,googlei18n/nototools,googlefonts/nototools