meta-gnome: fix typo of directory name

Fix typo of directory name 'recipe-devtools' in meta-gnome. It should
recipes-devtools.

(From meta-openembedded rev: 1b01b3c6288df09160f0a8d28c0ab56d4eb17be1)

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>

diff --git a/meta-openembedded/meta-gnome/recipe-devtools/glade/glade3_%.bbappend b/meta-openembedded/meta-gnome/recipes-devtools/glade/glade3_%.bbappend
similarity index 100%
rename from meta-openembedded/meta-gnome/recipe-devtools/glade/glade3_%.bbappend
rename to meta-openembedded/meta-gnome/recipes-devtools/glade/glade3_%.bbappend