www-client/fetch: fix configure w/ clang 16

Old autoconf.

Closes: https://bugs.gentoo.org/870499
Signed-off-by: Sam James <sam@gentoo.org>

www-client/fetch/fetch-1.0-r4.ebuild

@@ -3,6 +3,8 @@
 
 EAPI=7
 
+inherit autotools
+
 DESCRIPTION="HTTP download tool built atop the HTTP fetcher library"
 HOMEPAGE="https://sourceforge.net/projects/fetch/"
 SRC_URI="mirror://sourceforge/fetch/${P}.tar.gz"
@@ -22,4 +24,7 @@ HTML_DOCS=( docs/fetch.html )
 src_prepare() {
 	default
 	sed -i -e "/^ld_rpath/d" configure || die "sed failed"
+
+	# bug #870499
+	eautoreconf
 }