fix post-make-hook script for perl.

component/perl/buildout.cfg

@@ -25,4 +25,4 @@ configure-command =
     -Dusethreads
 environment =
   PATH=${patch:location}/bin:%(PATH)s
-post-make-hook = ${:_profile_base_location_}/perl-create-libs-symlink.py#7fded8308c1676decf77575c6d6b325f:post_make_hook
+post-make-hook = ${:_profile_base_location_}/perl-create-libs-symlink.py#539cb3cd0d1090f7f30a8e5a82b37854:post_make_hook

component/perl/perl-create-libs-symlink.py

@@ -15,7 +15,7 @@ def post_make_hook(options, buildout):
     print "ERROR - no libperl.* found!"
     exit
   elif nr_matches > 1:
-    print "WARNING - several libperl.a found, taking only the first one:", matches.join("\n")
+    print "WARNING - several libperl.a found, taking only the first one:", "\n".join(matches)
   
   # matches[0] is a prefix of "location"
   # For the symlink, we want the relative path.