Significantly improve performance of wrap script.

wrap

@@ -2,8 +2,11 @@
 # Wrap po files.
 # This file is in public domain.
 
-for file in `ls *.po`; do
-	msgattrib $file > $file.temp
+for file in `git ls-files -m *.po`; do
+	msgattrib $file > $file.temp &
 	mv $file.temp $file
 done
 
+while `ls * | grep temp`; do
+	test
+done