Made typedef for SDL_bool the same as the other typedefs.

If this causes problems on any compiler, please report a bug to
http://bugzilla.libsdl.org/
and include the platform and version of compiler you're using.

--HG--
branch : SDL-1.2
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/branches/SDL-1.2%404020

include/SDL_stdinc.h

@@ -90,7 +90,7 @@
 
 /** @name Basic data types */
 /*@{*/
-typedef enum SDL_bool {
+typedef enum {
 	SDL_FALSE = 0,
 	SDL_TRUE  = 1
 } SDL_bool;