Resolves: fdo#72464 Character line break is set to 0 Options/.../Writing Aids

Change-Id: I9f3d1c64fde064fc7ba9bdfcb9e35032a0c40255
Reviewed-on: https://gerrit.libreoffice.org/7252Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

linguistic/source/lngopt.hxx

@@ -149,7 +149,7 @@ public:
     virtual void SAL_CALL setIsSpellCapitalization(sal_Bool p1) throw (css::uno::RuntimeException)
         { setProperty(UPN_IS_SPELL_CAPITALIZATION, p1); }
     virtual sal_Int16 SAL_CALL getHyphMinLeading() throw (css::uno::RuntimeException)
-        { return getPropertyBool(UPN_HYPH_MIN_LEADING); }
+        { return getPropertyInt16(UPN_HYPH_MIN_LEADING); }
     virtual void SAL_CALL setHyphMinLeading(sal_Int16 p1) throw (css::uno::RuntimeException)
         { setProperty(UPN_HYPH_MIN_LEADING, p1); }
     virtual sal_Int16 SAL_CALL getHyphMinTrailing() throw (css::uno::RuntimeException)