Fix typo in zen_workaround.py

Author: Zentrik

scripts/zen_workaround.py

@@ -55,7 +55,7 @@ def is_secure_boot_enabled():
 def read_msr(cpu):
     try:
         msr = os.open('/dev/cpu/{}/msr'.format(cpu), os.O_RDONLY)
-    except PermissionError:
+    except PermissionError as e:
         sys.stderr.write(str(e) + '\n')
         print("Permission denied opening MSR for reading.")
         print("Try running as root / with sudo.")