fix the plot directive

svn path=/branches/v1_0_maint/; revision=8895

Author: jdh2358

lib/matplotlib/sphinxext/plot_directive.py

@@ -263,12 +263,10 @@ def run_savefig(plot_path, basename, tmpdir, destdir, formats):
 
     return len(fig_managers)
 
+
 def clear_state():
     plt.close('all')
-    matplotlib.rcdefaults()
-    # Set a default figure size that doesn't overflow typical browser
-    # windows.  The script is free to override it if necessary.
-    matplotlib.rcParams['figure.figsize'] = (5.5, 4.5)
+    matplotlib.rc_file_defaults()
 
 def render_figures(plot_path, function_name, plot_code, tmpdir, destdir,
                    formats, context=False):