Windows: convert explicit INI-path to Unicode.

On Windows, the -f parameter passes an 8bit ASCII string instead of Unicode.

SABnzbd.py

@@ -760,6 +760,8 @@ def evaluate_inipath(path):
         but not a leading dot.
         foldername is enough, the standard name will be appended.
     """
+    if sabnzbd.WIN32:
+        path = unicoder(path)
     path = os.path.normpath(os.path.abspath(path))
     inipath = os.path.join(path, DEF_INI_FILE)
     if os.path.isdir(path):