OGL: allow the Esc button to work while windowed and not rendering to main

D3D: fix the wireframe option getting enabled when using the fullscreen option
and did some code cleanup

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4555 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoOGL/Src/OS/Win32.cpp

@@ -244,7 +244,7 @@ void OnKeyDown(WPARAM wParam)
 	switch (LOWORD( wParam ))
 	{
 	case VK_ESCAPE:
-		if (g_Config.bFullscreen && !g_Config.RenderToMainframe)
+		if (!g_Config.RenderToMainframe)
 		{
 			// Pressing Esc stops the emulation
 			SendMessage( m_hWnd, WM_CLOSE, 0, 0 );