flex: Update from 2.5.39 to 2.6.0

packages/flex/Makefile.am.patch

@@ -0,0 +1,11 @@
+diff -u -r ../flex-2.6.0/Makefile.am ./Makefile.am
+--- ../flex-2.6.0/Makefile.am	2015-11-10 17:55:38.000000000 -0500
++++ ./Makefile.am	2015-12-27 06:36:29.059725071 -0500
+@@ -53,7 +53,6 @@
+ 	doc \
+ 	examples \
+ 	po \
+-	tests \
+ 	tools
+ 
+ # Create the ChangeLog, but only if we're inside a git working directory

packages/flex/build.sh

@@ -1,4 +1,4 @@
 TERMUX_PKG_HOMEPAGE=http://flex.sourceforge.net/
 TERMUX_PKG_DESCRIPTION="Fast lexical analyser generator"
-TERMUX_PKG_VERSION=2.5.39
+TERMUX_PKG_VERSION=2.6.0
 TERMUX_PKG_SRCURL=http://downloads.sourceforge.net/project/flex/flex-${TERMUX_PKG_VERSION}.tar.xz