alien_svn: force Perl version + try to fix build.

dev-perl/alien_svn/alien_svn-1.8.11.0.recipe

@@ -2,7 +2,7 @@ SUMMARY="Core module of the subversion perl bindings"
 DESCRIPTION="SVN::Core implements higher level functions of fundamental \
 subversion functions."
 HOMEPAGE="http://search.cpan.org/dist/Alien-SVN/"
-REVISION="1"
+REVISION="2"
 COPYRIGHT="2010-2015 Apache Software Foundation"
 LICENSE="Artistic"
 
@@ -28,10 +28,11 @@ BUILD_REQUIRES="
 
 BUILD_PREREQUIRES="
 	haiku_devel
+	module_build
 	cmd:awk
 	cmd:gcc
 	cmd:make
-	cmd:perl
+	cmd:perl >= 5.26
 	cmd:python
 "