ensure that wxToolBar has one of wxTB_TOP/LEFT/RIGHT/BOTTOM styles set, otherwise the latest toolbar positioning code breaks down

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42840 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/toolbar.cpp

@@ -792,6 +792,8 @@ bool wxToolBar::Create(
     if ( !wxToolBarBase::Create( parent, id, pos, size, style, wxDefaultValidator, name ) )
         return false;
 
+    FixupStyle();
+
     OSStatus err = noErr;
 
 #if wxMAC_USE_NATIVE_TOOLBAR