replace bool stuff in controller_type.h with SDL_bool.

remove bool<->SDL_bool dance in SDL_joystick.c:SDL_IsJoystickSteamController()
after the controller_type.h change.

src/joystick/SDL_joystick.c

@@ -1135,7 +1135,7 @@ SDL_IsJoystickNintendoSwitchPro(Uint16 vendor, Uint16 product)
 SDL_bool
 SDL_IsJoystickSteamController(Uint16 vendor, Uint16 product)
 {
-    return BIsSteamController(GuessControllerType(vendor, product)) ? SDL_TRUE : SDL_FALSE;
+    return BIsSteamController(GuessControllerType(vendor, product));
 }
 
 SDL_bool

src/joystick/controller_type.h

@@ -25,7 +25,6 @@
 #endif
 
 #ifndef __cplusplus
-typedef enum { false, true } bool;
 #define inline SDL_INLINE
 #endif
 
@@ -65,7 +64,7 @@ typedef enum
 	k_eControllertype_GenericMouse = 800,
 } EControllerType;
 
-static inline bool BIsSteamController( EControllerType eType )
+static inline SDL_bool BIsSteamController( EControllerType eType )
 {
 	return ( eType == k_eControllerType_SteamController || eType == k_eControllerType_SteamControllerV2 );
 }