[glib] Fix a typo in a doc comment

[Matthias Clasen <matthiasc src gnome org>]

commit b7d1518ce9f337a7ede1a659de31ff81dafcbac5
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Aug 27 23:37:41 2012 -0400

    Fix a typo in a doc comment

 glib/gthread-posix.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/gthread-posix.c b/glib/gthread-posix.c
index b38aaa5..cb06b14 100644
--- a/glib/gthread-posix.c
+++ b/glib/gthread-posix.c
@@ -139,7 +139,7 @@ g_mutex_get_impl (GMutex *mutex)
  * This function is useful to initialize a mutex that has been
  * allocated on the stack, or as part of a larger structure.
  * It is not necessary to initialize a mutex that has been
- * created that has been statically allocated.
+ * statically allocated.
  *
  * |[
  *   typedef struct {