Fixed wrong documentation in joystick implementation source.

src/joystick/haiku/SDL_haikujoystick.cc

@@ -53,8 +53,7 @@ extern "C"
     static int SDL_SYS_numjoysticks = 0;
 
 /* Function to scan the system for joysticks.
- * This function should set SDL_numjoysticks to the number of available
- * joysticks.  Joystick 0 should be the system default joystick.
+ * Joystick 0 should be the system default joystick.
  * It should return 0, or -1 on an unrecoverable fatal error.
  */
     int SDL_SYS_JoystickInit(void)

src/joystick/iphoneos/SDL_sysjoystick.m

@@ -37,8 +37,7 @@ const char *accelerometerName = "iOS accelerometer";
 static CMMotionManager *motionManager = nil;
 
 /* Function to scan the system for joysticks.
- * This function should set SDL_numjoysticks to the number of available
- * joysticks.  Joystick 0 should be the system default joystick.
+ * Joystick 0 should be the system default joystick.
  * It should return 0, or -1 on an unrecoverable fatal error.
  */
 int

src/joystick/psp/SDL_sysjoystick.c

@@ -97,16 +97,13 @@ int JoystickUpdate(void *data)
 
 
 /* Function to scan the system for joysticks.
- * This function should set SDL_numjoysticks to the number of available
- * joysticks.  Joystick 0 should be the system default joystick.
+ * Joystick 0 should be the system default joystick.
  * It should return number of joysticks, or -1 on an unrecoverable fatal error.
  */
 int SDL_SYS_JoystickInit(void)
 {
     int i;
 
-/*  SDL_numjoysticks = 1; */
-
     /* Setup input */
     sceCtrlSetSamplingCycle(0);
     sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);

src/joystick/windows/SDL_mmjoystick.c

@@ -143,8 +143,7 @@ GetJoystickName(int index, const char *szRegKey)
 static int SDL_SYS_numjoysticks = 0;
 
 /* Function to scan the system for joysticks.
- * This function should set SDL_numjoysticks to the number of available
- * joysticks.  Joystick 0 should be the system default joystick.
+ * Joystick 0 should be the system default joystick.
  * It should return 0, or -1 on an unrecoverable fatal error.
  */
 int

src/joystick/windows/SDL_windowsjoystick.c

@@ -278,8 +278,7 @@ void SDL_SYS_AddJoystickDevice(JoyStick_DeviceData *device)
 }
 
 /* Function to scan the system for joysticks.
- * This function should set SDL_numjoysticks to the number of available
- * joysticks.  Joystick 0 should be the system default joystick.
+ * Joystick 0 should be the system default joystick.
  * It should return 0, or -1 on an unrecoverable fatal error.
  */
 int