plugin: trivial cleanup
plugin: trivial cleanup

static > non-static

Signed-off-by: Felipe Contreras <de77a8b9cd239b204c19c52ed62e48ab47243362@gmail.com>

freedesktop-unofficial-mirror/gstreamer__attic__gst-openmax,mrchapp/gst-openmax-devel,mrchapp/gst-openmax,felipec/gst-openmax,mrchapp/gst-openmax,matsu/gst-openmax,freedesktop-unofficial-mirror/gstreamer__attic__gst-openmax,matsu/gst-openmax,felipec/gst-openmax,mrchapp/gst-openmax,mrchapp/gst-openmax-devel,mrchapp/gst-openmax-devel