Add icon intended for the Log Window

Not wired up. .ico generation with ImageMagick:
`magick convert icon.png -define icon:auto-resize="48,32,16" icon.ico`

src/BizHawk.Client.EmuHawk/Properties/Resources.cs

@@ -112,6 +112,8 @@ namespace BizHawk.Client.EmuHawk.Properties
 		internal static readonly Bitmap LightOn = ReadEmbeddedBitmap("LightOn");
 		internal static readonly Bitmap LoadConfig = ReadEmbeddedBitmap("LoadConfig");
 		internal static readonly Icon logo = ReadEmbeddedIcon("logo");
+		internal static readonly Icon log_window_MultiSize = ReadEmbeddedIcon("log_window");
+		internal static readonly Bitmap log_window = ReadEmbeddedBitmap("log_window");
 		internal static readonly Bitmap Lua = ReadEmbeddedBitmap("Lua");
 		internal static readonly Bitmap luaPictureBox = ReadEmbeddedBitmap("luaPictureBox");
 		internal static readonly Bitmap mame = ReadEmbeddedBitmap("mame");