Fix the size of the "new" bitmap in the toolbar sample.

It was broken by the changes of r78238 and was too small for the height in the
header, resulting in an immediate crash on toolbar sample startup.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78342 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/toolbar/bitmaps/new.xpm

@@ -48,5 +48,6 @@ static const char *const new_xpm[] = {
 "   .,,897456320  ",
 "   .,,,8974563q  ",
 "   .,,,,897456w  ",
+"   .,,,,,89745w  ",
 "   ............  "
 };