maint: use chdir rather than depend on bash for win32

We used to depend on a Unix shell, but with Win32 support this doesn't work so
well.  Thankfully, all we really wanted to do was change directory down into
'test', which Ruby can do natively, saving us the platform headache.

1 files changed, 1 insertions, 1 deletions

diff --git a/Rakefile b/Rakefile
index 6cc53fe18..e59d20ade 100644
--- a/Rakefile
+++ b/Rakefile
@@ -49,5 +49,5 @@ end
 
 desc "Run the unit tests"
 task :unit do
-    sh "cd test; rake"
+  Dir.chdir("test") { sh "rake" }
 end