media-sound/gtick: actually apply C23 patch

As spotted by Alexander Tsoy at https://github.com/gentoo/gentoo/pull/42602#issuecomment-2973869822.

Fixes: 9fb1c782dd
Signed-off-by: Sam James <sam@gentoo.org>

media-sound/gtick/gtick-0.5.5-r1.ebuild

@@ -26,6 +26,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-0.5.5-desktop.patch
 	"${FILESDIR}"/${PN}-0.5.5-autotools.patch
 	"${FILESDIR}"/${PN}-0.5.5-no-dmalloc-tests.patch
+	"${FILESDIR}"/${PN}-0.5.5-c23.patch
 )
 
 src_prepare() {
@@ -38,8 +39,6 @@ src_prepare() {
 }
 
 src_configure() {
-	#append-cflags -std=gnu17
-
 	local myeconfargs=(
 		$(use_enable nls)
 		$(use_with sndfile)