[glib] ghash: Fix gtk-doc syntax in a documentation comment

[Philip Withnall <pwithnall src gnome org>]

commit fb5a07ad39a4e8617f2de1a66e5022e48a534df5
Author: Philip Withnall <withnall endlessm com>
Date:   Thu Mar 23 15:55:05 2017 +0000

    ghash: Fix gtk-doc syntax in a documentation comment

 glib/ghash.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/ghash.c b/glib/ghash.c
index 198684a..5d93353 100644
--- a/glib/ghash.c
+++ b/glib/ghash.c
@@ -695,7 +695,7 @@ g_hash_table_new (GHashFunc  hash_func,
  * recursively remove further items from the hash table. This is only
  * permissible if the application still holds a reference to the hash table.
  * This means that you may need to ensure that the hash table is empty by
- * calling g_hash_table_remove_all before releasing the last reference using
+ * calling g_hash_table_remove_all() before releasing the last reference using
  * g_hash_table_unref().
  *
  * Returns: a new #GHashTable