Merge pull request #15 from falseen/path-1

优化细节。

shadowsocks/crypto/util.py

@@ -87,8 +87,9 @@ def find_library(possible_lib_names, search_symbol, library_name):
             else:
                 logging.warn('can\'t find symbol %s in %s', search_symbol,
                              path)
-        except ValueError as e:
+        except Exception:
-            logging.error(e)
+            if path == paths[-1]:
+                raise
     return None