Fix missing normalize_path() in graph

Amends cf9256c.

reprounzip/reprounzip/unpackers/graph.py

@@ -160,7 +160,7 @@ def generate(target, directory, all_forks=False):
 
         elif event_type == 'exec':
             r_name, r_timestamp, r_process, r_argv = data
-            r_name = PosixPath(r_name)
+            r_name = normalize_path(r_name)
             process = processes[r_process]
             binaries.add(r_name)
             # Here we split this process in two "programs", unless the previous