dev-db/kyotocabinet: fix configure w/ clang 16

Closes: https://bugs.gentoo.org/879653
Signed-off-by: Sam James <sam@gentoo.org>

dev-db/kyotocabinet/files/kyotocabinet-1.2.79-configure-clang16.patch

@@ -0,0 +1,12 @@
+https://bugs.gentoo.org/879653
+--- a/configure.in
++++ b/configure.in
+@@ -194,7 +194,7 @@ test -n "$LDFLAGS" && MYLDFLAGS="$LDFLAGS $MYLDFLAGS"
+ AC_C_BIGENDIAN(MYCPPFLAGS="$MYCPPFLAGS -D_MYBIGEND")
+ 
+ printf 'checking for useless warnings... '
+-if printf 'main() {}' | $CC -xc \
++if printf 'int main(void) {}' | $CC -xc \
+   -Wno-unused-but-set-variable -Wno-unused-but-set-parameter -o config.tmp - >config.tmp 2>&1
+ then
+   MYCFLAGS="$MYCFLAGS -Wno-unused-but-set-variable -Wno-unused-but-set-parameter"

dev-db/kyotocabinet/kyotocabinet-1.2.79-r1.ebuild

@@ -23,6 +23,7 @@ PATCHES=(
 	"${FILESDIR}"/fix_configure-1.2.62.patch
 	"${FILESDIR}"/${PN}-1.2.76-configure-8-byte-atomics.patch
 	"${FILESDIR}"/${PN}-1.2.76-flags.patch
+	"${FILESDIR}"/${PN}-1.2.79-configure-clang16.patch
 )
 
 src_prepare() {