	* ext/gst-camerabin/gdigicam-camerabin.c: 	(_g_digicam_camerabin_set_picture_metadata): Removed redundantly 	set metadata. Checked for NULL strings when setting metadata. 	(_g_digicam_camerabin_set_video_metadata): Checked for NULL 	strings when setting metadata.
	* ext/gst-camerabin/gdigicam-camerabin.c:
	(_g_digicam_camerabin_set_picture_metadata): Removed redundantly
	set metadata. Checked for NULL strings when setting metadata.
	(_g_digicam_camerabin_set_video_metadata): Checked for NULL
	strings when setting metadata.

community-ssu/gdigicam,community-ssu/gdigicam