Elm check: Fix edje_externals to use elm_object_text_set.
Elm check: Fix edje_externals to use elm_object_text_set.

SVN revision: 60988

FlorentRevest/Elementary,rvandegrift/elementary,rvandegrift/elementary,tasn/elementary,FlorentRevest/Elementary,tasn/elementary,rvandegrift/elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,tasn/elementary,rvandegrift/elementary,FlorentRevest/Elementary