fix diff presentation

acompare2/src/AutomatonCompare.cpp

@@ -255,7 +255,7 @@ template <class T, class R> void AutomatonCompare::mapCompare(const std::map<T,
 	}
 	std::cout << "---" << std::endl;
 	for(typename std::map<T, R>::const_iterator iter = bMinusA.begin(); iter != bMinusA.end(); iter++) {
-		std::cout << "< " << iter->first << ", " << iter->second << std::endl;
+		std::cout << "> " << iter->first << ", " << iter->second << std::endl;
 	}
 }

acompare2/src/GrammarCompare.cpp

@@ -169,7 +169,7 @@ template <class T, class R> void GrammarCompare::mapCompare(const std::map<T, R>
 	}
 	std::cout << "---" << std::endl;
 	for(typename std::map<T, R>::const_iterator iter = bMinusA.begin(); iter != bMinusA.end(); iter++) {
-		std::cout << "< " << iter->first << ", " << iter->second << std::endl;
+		std::cout << "> " << iter->first << ", " << iter->second << std::endl;
 	}
 }