refs #341 Fix operator= return types

src/blackinput/linux/joystick_linux.h

@@ -30,7 +30,7 @@ namespace BlackInput
         CJoystickLinux(CJoystickLinux const &) = delete;
 
         //! Assignment operator
-        void operator=(CJoystickLinux const &) = delete;
+        CJoystickLinux &operator=(CJoystickLinux const &) = delete;
 
         //! \brief Destructor
         virtual ~CJoystickLinux();

src/blackinput/linux/keyboard_linux.h

@@ -31,7 +31,7 @@ namespace BlackInput
         CKeyboardLinux(CKeyboardLinux const&) = delete;
 
         //! \brief Assignment operator
-        void operator=(CKeyboardLinux const&) = delete;
+        CKeyboardLinux &operator=(CKeyboardLinux const&) = delete;
 
         //! \brief Destructor
         virtual ~CKeyboardLinux();

src/blackinput/osx/joystick_mac.h

@@ -30,7 +30,7 @@ namespace BlackInput
         CJoystickMac(CJoystickMac const &) = delete;
 
         //! Assignment operator
-        void operator=(CJoystickMac const &) = delete;
+        CJoystickMac &operator=(CJoystickMac const &) = delete;
 
         //! \brief Destructor
         virtual ~CJoystickMac();

src/blackinput/osx/keyboard_mac.h

@@ -28,7 +28,7 @@ namespace BlackInput
         CKeyboardMac(CKeyboardMac const&) = delete;
 
         //! \brief Assignment operator
-        void operator=(CKeyboardMac const&) = delete;
+        CKeyboardMac &operator=(CKeyboardMac const&) = delete;
 
         //! \brief Destructor
         virtual ~CKeyboardMac();

src/blackinput/win/joystick_windows.h

@@ -56,7 +56,7 @@ namespace BlackInput
         CJoystickWindows(CJoystickWindows const &) = delete;
 
         //! Assignment operator
-        void operator=(CJoystickWindows const &) = delete;
+        CJoystickWindows &operator=(CJoystickWindows const &) = delete;
 
         //! \brief Destructor
         virtual ~CJoystickWindows();

src/blackinput/win/keyboard_windows.h

@@ -32,7 +32,7 @@ namespace BlackInput
         CKeyboardWindows(CKeyboardWindows const&) = delete;
 
         //! \brief Assignment operator
-        void operator=(CKeyboardWindows const&) = delete;
+        CKeyboardWindows &operator=(CKeyboardWindows const&) = delete;
 
         //! \brief Destructor
         virtual ~CKeyboardWindows();