[rygel] example: Fix tiny typo

[Murray Cumming <murrayc src gnome org>]

commit cb5594fb411dc4e2974fee183c1af388bfbe7c2f
Author: Murray Cumming <murrayc openismus com>
Date:   Wed Sep 12 11:22:29 2012 +0200

    example: Fix tiny typo

 examples/standalone-server.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/examples/standalone-server.c b/examples/standalone-server.c
index 254b73f..36b22d2 100644
--- a/examples/standalone-server.c
+++ b/examples/standalone-server.c
@@ -23,7 +23,7 @@
 /*
  * Demo application for librygel-server.
  *
- * Creates a stand-aline UPnP server that exposes the contents of the current
+ * Creates a stand-alone UPnP server that exposes the contents of the current
  * folder or the folder passed as argument.
  *
  * Usage: