--- aiksaurus-1.2.1+dev-0.12.orig/data/0.12-dev/src/Words.h
+++ aiksaurus-1.2.1+dev-0.12/data/0.12-dev/src/Words.h
@@ -24,6 +24,6 @@
         }
 };
 
-void extractWords(istream& file, vector<Word>& words);
+void extractWords(std::istream& file, std::vector<Word>& words);
 
 #endif // INCLUDED_WORDS_H