xml2po.sh: fix noname submissions

xml2po.sh

@@ -39,7 +39,7 @@ translate_po2xml() {
 <!-- APRSdroid translators. Autogenerated by xml2po.sh -->
 <resources>
 <string name="translation_credits">\\n
-$(cat translations/$PACKAGE/$PACKAGE-*.po | awk -F ': | <' '/Last-Translator:/ { print $2 "\\n"; }')
+$(cat translations/$PACKAGE/$PACKAGE-*.po | awk -F ': | <' '/Last-Translator:/ { if ($2 != "FULL NAME") { print $2 "\\n"; } }')
 </string>
 </resources>
 EOF