[infer][PR] Fix ValueError: unknown locale: UTF-8

Summary:
Fix locale.getlocale throw ValueError exception, but not catch.
Related issues: #447 #445 #358
Closes https://github.com/facebook/infer/pull/630

Differential Revision: D4834267

Pulled By: jvillard

fbshipit-source-id: c66386b

infer/lib/python/inferlib/config.py

@@ -17,7 +17,7 @@ import os
 try:
     locale.setlocale(locale.LC_ALL, '')
     CODESET = locale.getlocale(locale.LC_CTYPE)[1]
-except locale.Error:
+except:
     CODESET = None
 if CODESET is None:
     CODESET = 'ascii'