flex: update to 2.6.3.

Tested that nftables builds, this should fix the regressions in 2.6.2 then.

srcpkgs/flex/template

@@ -1,29 +1,19 @@
 # Template file for 'flex'
 pkgname=flex
-reverts="2.6.2_1"
-version=2.6.1
-revision=2
+version=2.6.3
+revision=1
 build_style=gnu-configure
-# YES REALLY! WE DONT WANT BINS LINKED TO LIBFL!
-configure_args="--disable-shared"
-hostmakedepends="help2man bison"
+configure_args="--disable-bootstrap --disable-shared"
+hostmakedepends="bison"
 makedepends="bison"
-depends="bison libfl-devel-${version}_${revision}"
+depends="bison libfl-devel-${version}_${revision} m4"
 short_desc="The Fast Lexical Analyzer"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://flex.sourceforge.net"
 license="BSD"
-distfiles="https://github.com/westes/${pkgname}/releases/download/v${version}/${pkgname}-${version}.tar.xz"
-checksum=2c7a412c1640e094cb058d9b2fe39d450186e09574bebb7aa28f783e3799103f
+distfiles="https://github.com/westes/${pkgname}/releases/download/v${version}/${pkgname}-${version}.tar.gz"
+checksum=68b2742233e747c462f781462a2a1e299dc6207401dac8f0bbb316f48565c2aa
 
-if [ "$CROSS_BUILD" ]; then
-	hostmakedepends+=" flex"
-	post_configure() {
-		# Use host flex
-		sed -i 's,$(top_builddir)/src/stage1flex$(EXEEXT),flex,' \
-			src/Makefile
-	}
-fi
 post_install() {
 	vlicense COPYING
 }