- added gst_oss_clock_set_time to .h file

Original commit message from CVS:
- added gst_oss_clock_set_time to .h file

sys/oss/gstossclock.h

@@ -68,6 +68,7 @@ GType                   gst_oss_clock_get_type 		(void);
 GstOssClock*		gst_oss_clock_new		(gchar *name, GstOssClockGetTimeFunc func,
 							 gpointer user_data);
 void			gst_oss_clock_set_active 	(GstClock *clock, gboolean active);
+void 			gst_oss_clock_set_time 		(GstClock *clock, GstClockTime time);
 
 #ifdef __cplusplus
 }