pkg/45570: devel/wine can't properly detect flex version

[diro%nixsyspaus.org@localhost]

>Number:         45570
>Category:       pkg
>Synopsis:       devel/wine can't properly detect flex version
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Nov 05 12:20:01 +0000 2011
>Originator:     diro%nixsyspaus.org@localhost
>Release:        NetBSD 5.1.0_PATCH
>Organization:
>Environment:
System: NetBSD themobe.lan 5.1.0_PATCH NetBSD 5.1.0_PATCH (THEMOBE2) #1: Tue Oct
25 20:58:49 UTC 2011  
root%themobe.lan@localhost:/usr/obj/sys/arch/i386/compile/THEMOBE2
i386
Architecture: i386
Machine: i386
>Description:
[...]
checking for flex... flex
checking whether flex is recent enough... no
configure: error: Your flex version is too old. Please install flex version
2.5.33 or newer.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/emulators/wine
WARNING: *** Please consider adding c++ to USE_LANGUAGES in the package
Makefile.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/emulators/wine
[...]

#  pkg_info -I flex | cut -d' ' -f1
flex-2.5.35nb2
>How-To-Repeat:
cd pkgsrc/emulators/wine; bmake;
>Fix: