ported: "*typo fix for the rjlib installer"

from pd-l2ork: 1e654625d71b6c0efae614cfa428e8cfae6e9b1e

l2ork_addons/tar_em_up.sh

@@ -303,7 +303,7 @@ cp ../../pd/src/g_all_guis.h ../../externals/build/include
 	# return to l2ork_addons folder
 	cd ../../
 	# copy rjlib into the extra folder
-	cp -rf rjlib ../../packages/linux_make/build$inst_dir/lib/pd-l2ork/extra
+	cp -rf rjlib ../packages/linux_make/build$inst_dir/lib/pd-l2ork/extra
 	# install raspberry pi externals (if applicable)
 	#if [ $rpi -eq 1 ]
 	#then