setup.py: fix static compilation with libevent 2.0.7-rc

--HG--
extra : transplant_source : %A5.y%21w%7C%B4%CC%7F%EF%8D%CFx%14.%3E%21%25%FE%E9

setup.py

@@ -148,7 +148,7 @@ def compile_libevent(build):
     if build.library_dirs is None:
         build.library_dirs = []
     # bdir is needed for event-config.h
-    build.include_dirs[:0] = [bdir, sdir, "%s/include" % sdir]
+    build.include_dirs[:0] = [bdir, "%s/include" % bdir, sdir, "%s/include" % sdir]
     build.library_dirs[:0] = ["%s/.libs" % bdir]
     build.libraries.extend(addlibs)