fix docs by fixing enum typedef

Original commit message from CVS:
fix docs by fixing enum typedef

gst/gstbuffer.h

@@ -194,7 +194,7 @@ typedef struct _GstBufferClass GstBufferClass;
 /**
  * GST_BUFFER_OFFSET_END_IS_VALID:
  * @buffer: the #GstBuffer to check for the end offset
- * 
+ *
  * Tests if the end offset is known.
  *
  * Returns: %TRUE for success

gst/gstmessage.c

@@ -19,7 +19,6 @@
  * Boston, MA 02111-1307, USA.
  */
 
-
 #include <string.h>             /* memcpy */
 
 #include "gst_private.h"

gst/gstmessage.h

@@ -22,7 +22,7 @@
 #ifndef __GST_MESSAGE_H__
 #define __GST_MESSAGE_H__
 
-G_BEGIN_DECLS 
+G_BEGIN_DECLS
 
 typedef struct _GstMessage GstMessage;
 typedef struct _GstMessageClass GstMessageClass;
@@ -48,7 +48,7 @@ typedef struct _GstMessageClass GstMessageClass;
  * @GST_MESSAGE_SEGMENT_DONE: pipeline completed playback of a segment.
  * @GST_MESSAGE_ANY: mask for all of the above messages.
  */
-typedef enum _GstMessageType
+typedef enum
 {
   GST_MESSAGE_UNKNOWN           = 0,
   GST_MESSAGE_EOS               = (1 << 0),