examples: Don't use options uninitialised
examples: Don't use options uninitialised

From coverity:
grilo-0.2.12/examples/browsing-pls.c:119: uninit_use_in_call: Using uninitialized value "options" when calling "g_object_unref".

https://bugzilla.gnome.org/show_bug.cgi?id=749887

GNOME/grilo,grilofw/grilo,jasuarez/grilo,jasuarez/grilo,grilofw/grilo,jasuarez/grilo,grilofw/grilo,GNOME/grilo