ofz#7245 silence boost Integer-overflow

Change-Id: Ie5c6a26a2382f18690668bb1883926d44c07a57a
Reviewed-on: https://gerrit.libreoffice.org/52321Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

bin/sanitize-blacklist.txt

@@ -3,6 +3,8 @@ src:*/sc/source/core/tool/interpr1.cxx
 src:*/sc/source/core/tool/interpr2.cxx
 src:*/scaddins/source/analysis/analysis.cxx
 src:*/scaddins/source/analysis/financial.cxx
+[integer-overflow]
+src:*/boost/boost/rational.hpp
 [vptr]
 fun:_ZN4cppu14throwExceptionERKN3com3sun4star3uno3AnyE
 src:*/include/com/sun/star/uno/Reference.hxx