games-arcade/savagewheels: build system is picky with arguments

Closes: https://bugs.gentoo.org/773439
Package-Manager: Portage-3.0.16, Repoman-3.0.2
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

games-arcade/savagewheels/savagewheels-1.6.1-r2.ebuild

@@ -41,7 +41,7 @@ src_configure() {
 	local mycmakeargs=(
 		-DCMAKE_INSTALL_DATADIR="${EPREFIX}"/usr/share/${PN}
 		-DCMAKE_INSTALL_LIBEXECDIR="${EPREFIX}"/usr/libexec/${PN}
-		-DSOUND=$(usex sound)
+		-DSOUND=$(usex sound YES NO) # yes, 'NO' is important here. bug 773439
 	)
 	cmake_src_configure
 }