Use bool constants instead of BOOL ones in wxBitmapComboBox code.

Just s/TRUE/true/

See #14279.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@77547 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/bmpcbox.cpp

@@ -441,7 +441,7 @@ bool wxBitmapComboBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
     //if ( lpDrawItem->itemState & ODS_FOCUS )
     //    DrawFocusRect(lpDrawItem->hDC, &lpDrawItem->rcItem);
 
-    return TRUE;
+    return true;
 }
 
 bool wxBitmapComboBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
@@ -456,7 +456,7 @@ bool wxBitmapComboBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
         lpMeasureItem->itemHeight = wxBitmapComboBoxBase::MeasureItem(pos);
     }
 
-    return TRUE;
+    return true;
 }
 
 #endif // wxUSE_BITMAPCOMBOBOX