bitbake: contrib/vim: synchronize from kergoth/vim-bitbake rev 4225ee8b4818d7e4696520567216a3a031c26f7d

(Bitbake rev: 24fb1f2fee449589b0c5468cbdebe9a6ffaac932)

Signed-off-by: Chris Laplante <mostthingsweb@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/contrib/vim/ftplugin/bitbake.vim

@@ -1,2 +1,13 @@
-set sts=4 sw=4 et
-set cms=#%s
+" Only do this when not done yet for this buffer
+if exists("b:did_ftplugin")
+  finish
+endif
+
+" Don't load another plugin for this buffer
+let b:did_ftplugin = 1
+
+let b:undo_ftplugin = "setl cms< sts< sw< et< sua<"
+
+setlocal commentstring=#\ %s
+setlocal softtabstop=4 shiftwidth=4 expandtab
+setlocal suffixesadd+=.bb,.bbclass