gdiplus: Handle UnitWorld in GdipGetFontHeightGivenDPI.

dlls/gdiplus/font.c

@@ -489,6 +489,7 @@ GpStatus WINGDIPAPI GdipGetFontHeightGivenDPI(GDIPCONST GpFont *font, REAL dpi,
     switch (font->unit)
     {
         case UnitPixel:
+        case UnitWorld:
             *height = font_height;
             break;
         case UnitPoint:

dlls/gdiplus/tests/font.c

@@ -381,8 +381,8 @@ static void test_heightgivendpi(void)
     stat = GdipCreateFont(fontfamily, 30, FontStyleRegular, UnitWorld, &font);
     expect(Ok, stat);
     stat = GdipGetFontHeightGivenDPI(font, 96, &height);
-    todo_wine expect(Ok, stat);
-    todo_wine expectf((REAL)34.497070, height);
+    expect(Ok, stat);
+    expectf((REAL)34.497070, height);
     GdipDeleteFont(font);
 
     height = 12345;