perl-cross: bump to version 0.9.4

this release fixes the build when BR2_PREFER_STATIC_LIB
see http://autobuild.buildroot.net/results/057/057a4b9976fd6b9c5cddd117a3f29de51efe719f/build-end.log
see https://github.com/arsv/perl-cross/issues/11

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/perl/perl.mk

@@ -12,7 +12,7 @@ PERL_LICENSE = Artistic or GPLv1+
 PERL_LICENSE_FILES = Artistic Copying README
 PERL_INSTALL_STAGING = YES
 
-PERL_CROSS_VERSION = 0.9.3
+PERL_CROSS_VERSION = 0.9.4
 PERL_CROSS_BASE_VERSION = 5.$(PERL_VERSION_MAJOR).1
 # DO NOT refactor with the github helper (the result is not the same)
 PERL_CROSS_SITE = http://raw.github.com/arsv/perl-cross/releases