create_tarball: Fix wrong path transformation in symlinks

create_tarball

@@ -88,7 +88,7 @@ echo "Package name: $package"
 if [ ! -e $TARBALL_DIR/$package.tar.$TAR_SUFFIX ]; then
   echo "Creating tarball in $TARBALL_DIR."
   trap "rm $TARBALL_DIR/tar-$$; exit 1" INT
-  tar c --owner=root --group=users --exclude .git --exclude .gitmodules --transform "s|^\.|$package|" ./ | \
+  tar c --owner=root --group=users --exclude .git --exclude .gitmodules --transform "s|^\.\(/\|$\)|$package\1|" ./ | \
   $COMPRESS -9 >$TARBALL_DIR/tar-$$ && \
   mv $TARBALL_DIR/tar-$$ $TARBALL_DIR/$package.tar.$TAR_SUFFIX || \
   rm $TARBALL_DIR/tar-$$