vpnc: use nativeperl to run perl scripts

inhert perlnative and make sure we use nativeperl
to run perl scripts when compile.

fixed:
| ./makeman.pl
| Can't locate Fatal.pm in @INC

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>

meta-networking/recipes-connectivity/vpnc/vpnc_0.5.3.bb

@@ -7,9 +7,16 @@ LICENSE = "GPL-2.0+"
 LIC_FILES_CHKSUM = "file://COPYING;md5=173b74cb8ac640a9992c03f3bce22a33"
 DEPENDS = "libgcrypt"
 
+inherit perlnative
+
 CFLAGS_append = ' -DVERSION=\\"${PV}\\"'
 LDFLAGS_append = " -lgcrypt -lgpg-error"
 
+do_configure_append () {
+    # Make sure we use our nativeperl wrapper
+    sed -i "1s:#!.*:#!/usr/bin/env nativeperl:" ${S}/*.pl
+}
+
 do_install () {
     sed -i s:m600:m\ 600:g Makefile    
     oe_runmake 'DESTDIR=${D}' 'PREFIX=/usr' install