win32/common/libgstreamer.def: Add two missing symbols (#366492).

Original commit message from CVS:
Patch by: Sergey Scobich  <sergery.scobich at gmail com>
* win32/common/libgstreamer.def:
Add two missing symbols (#366492).

ChangeLog

+2006-11-10  Tim-Philipp Müller  <tim at centricular dot net>
+
+	Patch by: Sergey Scobich  <sergery.scobich at gmail com>
+
+	* win32/common/libgstreamer.def:
+	  Add two missing symbols (#366492).
+
 2006-11-10  Jan Schmidt  <thaytan@mad.scientist.com>
 
 	* libs/gst/base/gstadapter.c: (gst_adapter_flush),

win32/common/libgstreamer.def

@@ -667,7 +667,9 @@ EXPORTS
 	gst_task_create
 	gst_task_get_state
 	gst_task_get_type
+	gst_task_join
 	gst_task_pause
+	gst_task_set_lock
 	gst_task_start
 	gst_task_state_get_type
 	gst_task_stop