forgot to compile plugins libcommon.so and liblayout.so

I forgot this steps from wxFormBuilder compile instructions

"6. Repeat step 5 with src/plugins/standard/Makefile
7. Build src/
8. Build src/plugins/standard
9. Check if libcommon.so and liblayout.so are placed into bin/xml/"

https://software-libre.org/forum/forum.php?thread_id=220&forum_id=222

..:: FlameRobin ::..:: Firebird ::..