Correct typo in platform file list

This commit was SVN r26740.

contrib/Makefile.am

@@ -134,7 +134,7 @@ EXTRA_DIST = \
         platform/win32/include/hwloc/myriexpress.h \
         platform/win32/include/hwloc/openfabrics-verbs.h \
         platform/win32/include/hwloc/rename.h \
-        platform/win32/include/hwloc/private/autogen/config.h \
+        platform/win32/include/private/autogen/config.h \
 	platform/cisco/macosx-dynamic \
 	platform/cisco/macosx-dynamic.conf \
 	platform/cisco/linux \