component/perl-Encode-HanExtra: call shebang enc2xs script directly.

perl/bin/enc2xs can be a shell script that calls enc2xs.shebang so we
cannot call it explicitly with perl like "/path/to/perl
/path/to/enc2xs" but simply calling "/path/to/enc2xs" is enough and
safe.

component/perl-Encode-HanExtra/Encode-HanExtra-0.23_use_shebang.patch

+--- Encode-HanExtra-0.23/Makefile.PL.orig	2017-04-14 13:22:30.511213646 +0200
++++ Encode-HanExtra-0.23/Makefile.PL	2017-04-14 13:22:41.935282773 +0200
+@@ -179,7 +179,7 @@
+         my $plib = $self->{PERL_CORE} ? '"-I$(PERL_LIB)"' : '';
+         my $ucopts = '-"Q"';
+         $str .=
+-          qq{\n\t\$(PERL) $plib $enc2xs $ucopts -o \$\@ -f $table.fnm\n\n};
++          qq{\n\t$enc2xs $ucopts -o \$\@ -f $table.fnm\n\n};
+         open(FILELIST, ">$table.fnm")
+           || die "Could not open $table.fnm: $!";
+         foreach my $file (@{ $tables{$table} }) {

component/perl-Encode-HanExtra/buildout.cfg

 [buildout]
 extends =
+  ../patch/buildout.cfg
   ../perl/buildout.cfg
 parts =
   perl-Encode-HanExtra
@@ -10,3 +11,8 @@ url = http://www.cpan.org/modules/by-module/Encode/Encode-HanExtra-0.23.tar.gz
 md5sum = e1d3bc32c1c8ee304235a06fbcd5d5a4
 configure-command =
   ${perl:location}/bin/perl Makefile.PL
+patch-options = -p1
+patches =
+  ${:_profile_base_location_}/Encode-HanExtra-0.23_use_shebang.patch#4ac804013a68a3e6b7c3bc4115d25a5e
+environment =
+  PATH=${patch:location}/bin:%(PATH)s