media-gfx/pngquant: fix tests with newer libimagequant

Closes: https://bugs.gentoo.org/867760
Signed-off-by: Sam James <sam@gentoo.org>

media-gfx/pngquant/files/pngquant-2.17.0-fix-test-version.patch

@@ -0,0 +1,14 @@
+https://bugs.gentoo.org/867760
+
+Drop check which looks at version as with newer libimagequant,
+it becomes 4.0.0.
+--- a/test/test.sh
++++ b/test/test.sh
+@@ -9,7 +9,6 @@ BIN=$2
+ TESTBIN=$3
+ PATH=.:$PATH # Required, since BIN may be just 'pngquant'
+ 
+-$BIN --version 2>&1 | fgrep 2.
+ $BIN --help | fgrep -q "usage:"
+ 
+ $BIN 2>/dev/null && { echo "should fail without args"; exit 1; } || true

media-gfx/pngquant/pngquant-2.17.0.ebuild

@@ -27,7 +27,10 @@ BDEPEND="virtual/pkgconfig"
 
 RESTRICT="!test? ( test )"
 
-PATCHES=( "${FILESDIR}"/${PN}-2.12.2-respect-CFLAGS.patch )
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.12.2-respect-CFLAGS.patch
+	"${FILESDIR}"/${PN}-2.17.0-fix-test-version.patch
+)
 
 pkg_pretend() {
 	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp