let load_include raise an exception if an include file can't be found

instead of ignoring the error silently

Acked-by: Steve Beattie <steve@nxnw.org> for both trunk and 2.9.

utils/apparmor/aa.py

@@ -4455,6 +4455,8 @@ def load_include(incname):
         #If the include is a directory means include all subfiles
         elif os.path.isdir(profile_dir + '/' + incfile):
             load_includeslist += list(map(lambda x: incfile + '/' + x, os.listdir(profile_dir + '/' + incfile)))
+        else:
+            raise AppArmorException("Include file %s not found" % (profile_dir + '/' + incfile) )
 
     return 0