comparisonOfFuncReturningBoolError
ftp://ftp.de.debian.org/debian/pool/main/s/synfig/synfig_1.5.1+dfsg.orig.tar.xz
head synfig-1.5.1/synfig-core/src/synfig/rect.h:414:28: style: Comparison of a function returning boolean value using relational (<, >, <= or >=) operator. [comparisonOfFuncReturningBoolError]