Unit Tests

- Set well-known umask for permissions test. When started with another
  umask value the permissions of the created directory would be
  different and the tests fail.

AUTHORS

@@ -90,6 +90,7 @@ The following submitted code, packages or analysis, and deserve special thanks:
   Martin Natano
   kili
   jasper
+  Rainer Müller
 
 Thanks to the following, who submitted detailed bug reports and excellent
 suggestions:

test/directory.t.cpp

@@ -130,6 +130,7 @@ int main (int argc, char** argv)
   t.notok (d9.up (),                "parent / --> false");
 
   // Test permissions.
+  umask(0022);
   Directory d10 ("tmp/dir.perm");
   d10.create (0750);
   t.ok (d10.exists (),               "Directory::create perm file exists");