Corrected externalization.
diff --git a/ruby/examples/org.eclipse.dltk.ruby.testing.example.category/.cvsignore b/ruby/examples/org.eclipse.dltk.ruby.testing.example.category/.cvsignore
new file mode 100644
index 0000000..ba077a4
--- /dev/null
+++ b/ruby/examples/org.eclipse.dltk.ruby.testing.example.category/.cvsignore
@@ -0,0 +1 @@
+bin