Fixed EmuWindow typo (fixes OSX build)

src/common/emu_window.cpp

@@ -17,7 +17,7 @@ void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) {
     Service::HID::PadButtonRelease(mapped_key);
 }
 
-EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(int width, int height) {
+EmuWindow::FramebufferLayout EmuWindow::FramebufferLayout::DefaultScreenLayout(unsigned width, unsigned height) {
     ASSERT(width > 0);
     ASSERT(height > 0);
 

src/common/emu_window.h

@@ -48,7 +48,7 @@ public:
          * @param height Window framebuffer height in pixels
          * @return Newly created FramebufferLayout object with default screen regions initialized
          */
-        static FramebufferLayout DefaultScreenLayout(int width, int height);
+        static FramebufferLayout DefaultScreenLayout(unsigned width, unsigned height);
 
         unsigned width;
         unsigned height;