typo in the tcl/tk win32 includes

svn path=/trunk/matplotlib/; revision=3678

Author: cmoad

setupext.py

@@ -676,10 +676,10 @@ def add_tk_flags(module):
     if sys.platform=='win32':
         major, minor1, minor2, s, tmp = sys.version_info
         if major==2 and minor1 in [3, 4, 5]:
-            module.include_dirs.extend(['win32_static/include/tcl84'])
+            module.include_dirs.extend(['win32_static/include/tcl8.4'])
             module.libraries.extend(['tk84', 'tcl84'])
         elif major==2 and minor1==2:
-            module.include_dirs.extend(['win32_static/include/tcl83'])
+            module.include_dirs.extend(['win32_static/include/tcl8.3'])
             module.libraries.extend(['tk83', 'tcl83'])
         else:
             raise RuntimeError('No tk/win32 support for this python version yet')