Revert "flex: update to 2.6.2."

This reverts commit 68c07b6e88.

See https://github.com/westes/flex/issues/113.

srcpkgs/flex/template

@@ -1,6 +1,6 @@
 # Template file for 'flex'
 pkgname=flex
-version=2.6.2
+version=2.6.1
 revision=1
 build_style=gnu-configure
 # YES REALLY! WE DONT WANT BINS LINKED TO LIBFL!
@@ -12,16 +12,15 @@ 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.gz"
-checksum=9a01437a1155c799b7dc2508620564ef806ba66250c36bf5f9034b1c207cb2c9
+distfiles="https://github.com/westes/${pkgname}/releases/download/v${version}/${pkgname}-${version}.tar.xz"
+checksum=2c7a412c1640e094cb058d9b2fe39d450186e09574bebb7aa28f783e3799103f
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" flex"
 	post_configure() {
 		# Use host flex
-		sed -i 's,./stage1flex$(EXEEXT),flex,' src/Makefile
-		sed -i '/^flex.1/s,../src/flex$(EXEEXT),/usr/bin/flex,' \
-			doc/Makefile
+		sed -i 's,$(top_builddir)/src/stage1flex$(EXEEXT),flex,' \
+			src/Makefile
 	}
 fi
 post_install() {