[glib] gtestutils: Fix a typo in the g_test_add() documentation

[Philip Withnall <pwithnall src gnome org>]

commit 056f50ce94e4b5c6bf6c128c348983401b402b45
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Fri Jan 16 09:18:41 2015 +0000

    gtestutils: Fix a typo in the g_test_add() documentation

 glib/gtestutils.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/glib/gtestutils.c b/glib/gtestutils.c
index 056afbd..2621d6a 100644
--- a/glib/gtestutils.c
+++ b/glib/gtestutils.c
@@ -3346,8 +3346,8 @@ g_test_get_filename (GTestFileType  file_type,
  * similar to g_test_create_case().
  *
  * g_test_add() is implemented as a macro, so that the fsetup(), ftest() and
- * fteardown() callbacks can expect a @Fixture pointer as first argument in
- * a type safe manner. They otherwise have type #GTestFixtureFunc.
+ * fteardown() callbacks can expect a @Fixture pointer as their first argument
+ * in a type safe manner. They otherwise have type #GTestFixtureFunc.
  *
  * Since: 2.16
  **/