engine: protocol: increase MAX_LIGHTSTYLES from 64 to 256, protocol limit as it encoded as unsigned byte

engine/common/protocol.h

@@ -128,7 +128,7 @@ GNU General Public License for more details.
 #define MAX_USER_MESSAGES		197		// another 58 messages reserved for engine routines
 #define MAX_DLIGHTS			32		// dynamic lights (rendered per one frame)
 #define MAX_ELIGHTS			64		// entity only point lights
-#define MAX_LIGHTSTYLES		64		// original quake limit
+#define MAX_LIGHTSTYLES		256		// a1ba: increased from 64 to 256, protocol limit
 #define MAX_RENDER_DECALS		4096		// max rendering decals per a level
 
 // sound proto