Fix broken function reference.

Author: GraylinKim

sc2reader/resources.py

@@ -770,7 +770,7 @@ def __init__(self, summary_file, filename=None, lang='enUS', **options):
             self.expansion = ''
 
         self.game_type = self.settings['Teams'].replace(" ", "")
-        self.real_type = real_type(self.teams)
+        self.real_type = utils.get_real_type(self.teams)
 
         # The s2gs file also keeps reference to a series of s2mv files
         # Some of these appear to be encoded bytes and others appear to be