tdf#118042: fix crash on Target box in Hyperlink dialog

Change-Id: I493faf6e94c1a130b2bd88b6b8c33d6deb6bc268
Reviewed-on: https://gerrit.libreoffice.org/55440Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

sw/source/core/unocore/unomap.cxx

@@ -683,7 +683,7 @@ const SfxItemPropertyMapEntry* SwUnoPropertyMapProvider::GetPropertyMapEntries(s
             {
                 static SfxItemPropertyMapEntry const aLinkTargetMap_Impl[] =
                 {
-                    { OUString(UNO_LINK_DISPLAY_BITMAP), 0,     cppu::UnoType<css::awt::XBitmap>::get(), PropertyAttribute::READONLY, 0xff},
+                    { OUString(UNO_LINK_DISPLAY_BITMAP), 0,     cppu::UnoType<css::awt::XBitmap>::get(), PropertyAttribute::READONLY, 0xbf},
                     { OUString(UNO_LINK_DISPLAY_NAME), 0,   cppu::UnoType<OUString>::get(), PropertyAttribute::READONLY, 0xbf},
                     { OUString(), 0, css::uno::Type(), 0, 0 }
                 };