[glib] Remove some markup from docs

[Matthias Clasen <matthiasc src gnome org>]

commit 4dba2eb48625c7d5f72e4737eff28688332143c6
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 7 23:08:50 2014 -0400

    Remove some markup from docs

 gobject/gsignal.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gobject/gsignal.h b/gobject/gsignal.h
index 9e3acf8..2690314 100644
--- a/gobject/gsignal.h
+++ b/gobject/gsignal.h
@@ -237,11 +237,11 @@ struct _GSignalInvocationHint
  * @n_params: The number of parameters that user callbacks take.
  * @param_types: (array length=n_params): The individual parameter types for
  *  user callbacks, note that the effective callback signature is:
- *  <programlisting>
+ *  |[<!-- language="C" -->
  *  @return_type callback (#gpointer     data1,
  *  [param_types param_names,]
  *  gpointer     data2);
- *  </programlisting>
+ *  ]|
  * 
  * A structure holding in-depth information for a specific signal. It is
  * filled in by the g_signal_query() function.