returnNonBoolInBooleanFunction
ftp://ftp.de.debian.org/debian/pool/main/d/diffutils/diffutils_3.12.orig.tar.xz
2.21.0 diffutils-3.12/src/util.c:204:3: style: Non-boolean value returned from function returning bool [returnNonBoolInBooleanFunction]
ftp://ftp.de.debian.org/debian/pool/main/r/r-cran-sf/r-cran-sf_1.1-2+dfsg.orig.tar.xz
head sf/src/geos.cpp:309:2: style: Non-boolean value returned from function returning bool [returnNonBoolInBooleanFunction]