diff -Naur xml-security-c-1.7.3.orig/xsec/tools/checksig/InteropResolver.cpp xml-security-c-1.7.3/xsec/tools/checksig/InteropResolver.cpp --- xml-security-c-1.7.3.orig/xsec/tools/checksig/InteropResolver.cpp 2012-07-23 09:56:10.000000000 -0700 +++ xml-security-c-1.7.3/xsec/tools/checksig/InteropResolver.cpp 2017-03-11 19:23:48.540875297 -0800 @@ -645,7 +645,7 @@ } - return false; + return NULL; }