Made section key(§) return the same KeyCode for SDL as DirectX and JS (#700)

hxd/Window.hl.hx

@@ -342,6 +342,7 @@ class Window {
 			92 => K.QWERTY_BACKSLASH,
 			93 => K.QWERTY_BRACKET_RIGHT,
 			96 => K.QWERTY_TILDE,
+			167 => K.QWERTY_BACKSLASH,
 			1101 => K.CONTEXT_MENU,
 			1057 => K.CAPS_LOCK,
 			1071 => K.SCROLL_LOCK,