tools/python: remove references to removed libflask from setup.py

Build in SLES11 SP1/2 fails after libflask removal.

> building 'flask' extension
> error: ../../tools/flask/libflask/libflask.so: No such file or
> directory
> make[3]: *** [install] Error 1
> make[3]: Leaving directory
> `/usr/src/packages/BUILD/xen-4.2.24701/non-dbg/tools/python'
> make[2]: *** [subdir-install-python] Error 2

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Keir Fraser <keir@xen.org>

tools/python/setup.py

@@ -45,12 +45,10 @@ process = Extension("process",
 
 flask = Extension("flask",
                extra_compile_args = extra_compile_args,
-               include_dirs       = [ PATH_XEN, PATH_LIBXC, "xen/lowlevel/flask",
-                                      "../flask/libflask/include" ],
-               library_dirs       = [ PATH_LIBXC, "../flask/libflask" ],
+               include_dirs       = [ PATH_XEN, PATH_LIBXC, "xen/lowlevel/flask" ],
+               library_dirs       = [ PATH_LIBXC ],
                libraries          = [ "xenctrl" ],
-               depends            = [ PATH_LIBXC + "/libxenctrl.so",
-                                      XEN_ROOT + "/tools/flask/libflask/libflask.so" ],
+               depends            = [ PATH_LIBXC + "/libxenctrl.so" ],
                sources            = [ "xen/lowlevel/flask/flask.c" ])
 
 ptsname = Extension("ptsname",