flex: update to 2.6.1, project is now hosted on github

flex/.md5sum

@@ -1,2 +1 @@
-78f98fd91043a6a2a36c456c12b61704  flex-2.6.0-2.patch
-3cbbfa1554d0b75fad9f8100732454de  flex-2.6.0.tar.xz
+cd3c86290fc2676a641aefafeb10848a  flex-2.6.1.tar.xz

flex/Pkgfile

@@ -1,20 +1,15 @@
 # Description: Fast Lexical Analyzer Generator
-# URL:         http://flex.sourceforge.net/
+# URL:         https://github.com/westes/flex
 # Maintainer:  CRUX System Team, core-ports at crux dot nu
 
 name=flex
-version=2.6.0
-release=2
-source=(http://downloads.sourceforge.net/project/$name/$name-$version.tar.xz
-        $name-$version-2.patch)
+version=2.6.1
+release=1
+source=(https://github.com/westes/flex/releases/download/v$version/$name-$version.tar.xz)
 
 build() {
     cd $name-$version
     
-    # fix for FS#1284
-    patch -p1 -i $SRC/$name-$version-2.patch
-    touch doc/flex.1
-
     ./configure --prefix=/usr --disable-nls
     
     make