Make all bitmaps of the same size in the toolbar sample.

This is a requirement under MSW and resulted in problems when a secondary
toolbar was created.

Closes #16707.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78238 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/toolbar/bitmaps/new.xpm

@@ -1,7 +1,7 @@
 /* XPM */
 static const char *const new_xpm[] = {
 /* columns rows colors chars-per-pixel */
-"16 15 31 1",
+"16 16 31 1",
 ". c #7198D9",
 "2 c #DCE6F6",
 ", c #FFFFFF",
@@ -34,19 +34,19 @@ static const char *const new_xpm[] = {
 "X c #376EC9",
 "< c #ACE95B",
 /* pixels */
-"   .XoO+@#$.    ",
-"   .%%&*=-O;:   ",
-"  >>>>%&*=O,=o  ",
-"  ><<>%%&*O,,=o ",
-">>><<>>>%&OOo+@ ",
-"><<<<<<>1%&*=-@ ",
-"><<<<<<>21%&*=@ ",
-">>><<>>>321%&*+ ",
-"  ><<>456321%&O ",
-"  >>>>7456321%o ",
-"   .,8974563210 ",
-"   .,,897456320 ",
-"   .,,,8974563q ",
-"   .,,,,897456w ",
-"   ............ "
+"   .XoO+@#$.     ",
+"   .%%&*=-O;:    ",
+"  >>>>%&*=O,=o   ",
+"  ><<>%%&*O,,=o  ",
+">>><<>>>%&OOo+@  ",
+"><<<<<<>1%&*=-@  ",
+"><<<<<<>21%&*=@  ",
+">>><<>>>321%&*+  ",
+"  ><<>456321%&O  ",
+"  >>>>7456321%o  ",
+"   .,8974563210  ",
+"   .,,897456320  ",
+"   .,,,8974563q  ",
+"   .,,,,897456w  ",
+"   ............  "
 };