(svn r15077) -Codechange: enumify DAYS_IN_YEAR and DAYS_IN_LEAP_YEAR

-Change: when computing daily running cost, divide by 365 (instead of 364). Since r12134, the rounding errors don't need this correction anymore

src/ai/ai_core.cpp

@@ -235,7 +235,7 @@ void CcAI(bool success, TileIndex tile, uint32 p1, uint32 p2)
 	}
 
 	/* Currently no AI can be started, check again in a year. */
-	return 365;
+	return DAYS_IN_YEAR;
 }
 
 /* static */ char *AI::GetConsoleList(char *p, const char *last)