fixed a cxx destructor bug

svn path=/trunk/matplotlib/; revision=2822

Author: jdh2358

CXX/Objects.hxx

@@ -1935,7 +1935,7 @@ namespace Py
 			if(map.hasKey(key)) the_item = map.getItem(key);
 			};
 
-		~mapref<T>()
+		~mapref()
 			{}
 
 		// MapBase<T> stuff

examples/annotation_demo.py

@@ -94,7 +94,7 @@
                    fontsize=20)
     ax.add_artist(f)
 
-    fig.savefig('annotation_demo2')
+    fig.savefig('annotation_coords')
 
 if 1:
     # annotations work on polar axes too.  The annotation coords below