Don't use Config{'extensions'} under VMS.

diff --git a/t/lib/posix.t b/t/lib/posix.t
index 05b1252..23007ff 100755 (executable)
--- a/t/lib/posix.t
+++ b/t/lib/posix.t
@@ -4,7 +4,7 @@ BEGIN {
     chdir 't' if -d 't';
     @INC = '../lib';
     require Config; import Config;
-    if ($Config{'extensions'} !~ /\bPOSIX\b/) {
+    if ($^O ne 'VMS' and $Config{'extensions'} !~ /\bPOSIX\b/) {
        print "1..0\n";
        exit 0;
     }