wikiheaders: Updated to latest, cleaned up category documentation a little.

This documentation needs a LOT of work--maybe someday--but it's definitely not
_broken_ right now, which is good enough for now.

include/SDL_rwops.h

@@ -19,15 +19,15 @@
   3. This notice may not be removed or altered from any source distribution.
 */
 
-/**
- *  \file SDL_rwops.h
- *
- *  This file provides a general interface for SDL to read and write
- *  data streams.  It can easily be extended to files, memory, etc.
- */
-
 /* WIKI CATEGORY: RWOPS */
 
+/**
+ * # CategoryRWOPS
+ *
+ * This file provides a general interface for SDL to read and write data
+ * streams. It can easily be extended to files, memory, etc.
+ */
+
 #ifndef SDL_rwops_h_
 #define SDL_rwops_h_