[gtkmm-documentation] Fixed typo in string

[Daniel Mustieles GarcÃa <dmustieles src gnome org>]

commit 037e3272b8602f4beb757bf3b8c3a42edc3938b4
Author: Daniel Mustieles <daniel mustieles gmail com>
Date:   Sat Aug 25 11:31:52 2012 +0200

    Fixed typo in string

 docs/tutorial/C/gtkmm-tutorial-in.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/tutorial/C/gtkmm-tutorial-in.xml b/docs/tutorial/C/gtkmm-tutorial-in.xml
index bb6633d..40c34bd 100644
--- a/docs/tutorial/C/gtkmm-tutorial-in.xml
+++ b/docs/tutorial/C/gtkmm-tutorial-in.xml
@@ -9173,7 +9173,7 @@ _WRAP_SIGNAL(void clicked(),"clicked")
 </programlisting>
 </para>
 <para>Signals usually have function pointers in the GTK struct, with a
-    corresponding enum value. and a <function>g_signal_new()</function> in the
+    corresponding enum value and a <function>g_signal_new()</function> in the
     .c file.</para>
 <para>There are some optional extra arguments:
 <variablelist>