Added new folders.

po/xgetpo

@@ -11,6 +11,16 @@ xgettext --keyword=_ -keyword=N_  --default-domain=squirrelmail \
     -C squirrelmail/src/*.php --output-dir=squirrelmail/po/
 xgettext --keyword=_ -keyword=N_  --default-domain=squirrelmail -j \
     -C squirrelmail/functions/*.php --output-dir=squirrelmail/po/
+xgettext --keyword=_ -keyword=N_  --default-domain=squirrelmail -j \
+    -C squirrelmail/class/*.php --output-dir=squirrelmail/po/
+xgettext --keyword=_ -keyword=N_  --default-domain=squirrelmail -j \
+    -C squirrelmail/class/mime/*.php --output-dir=squirrelmail/po/
+xgettext --keyword=_ -keyword=N_  --default-domain=squirrelmail -j \
+    -C squirrelmail/class/deliver/*.php --output-dir=squirrelmail/po/
+xgettext --keyword=_ -keyword=N_  --default-domain=squirrelmail -j \
+    -C squirrelmail/include/*.php --output-dir=squirrelmail/po/
+xgettext --keyword=_ -keyword=N_  --default-domain=squirrelmail -j \
+    -C squirrelmail/include/options/*.php --output-dir=squirrelmail/po/
     
 # ** Plugins