Fix delete key not using the right name

src/modules/keyboard/Keyboard.h

@@ -403,6 +403,8 @@ public:
 		KEY_Y = 'y',
 		KEY_Z = 'z',
 
+		KEY_DELETE = '\x7F',
+
 		KEY_CAPSLOCK = LOVE_KEY(SCANCODE_CAPSLOCK),
 
 		KEY_F1 = LOVE_KEY(SCANCODE_F1),
@@ -424,7 +426,6 @@ public:
 		KEY_INSERT = LOVE_KEY(SCANCODE_INSERT),
 		KEY_HOME = LOVE_KEY(SCANCODE_HOME),
 		KEY_PAGEUP = LOVE_KEY(SCANCODE_PAGEUP),
-		KEY_DELETE = LOVE_KEY(SCANCODE_DELETE),
 		KEY_END = LOVE_KEY(SCANCODE_END),
 		KEY_PAGEDOWN = LOVE_KEY(SCANCODE_PAGEDOWN),
 		KEY_RIGHT = LOVE_KEY(SCANCODE_RIGHT),