Moved MSG_CityDistressReport checking

- Moved the check to MSG_CityDistressReport messages to HCity object as
an CompareMail override.

Author: Deantwo

HCity.cs

@@ -254,6 +254,14 @@ public HCity(HMail mail)
         {
         }
 
+        public override void CompareMail(HMail mail)
+        {
+            // This is a small fix to not count MSG_CityDistressReport messages with no report info.
+            if (!(mail.Body.Contains("<b>MORALE</b>") || mail.Body.Contains("<b>POPULATION</b>")))
+                return;
+            base.CompareMail(mail);
+        }
+
         public override void Initialize()
         {
             if (_mail.Body.Remove(4) == "UTC:")

HMail.cs

@@ -34,10 +34,6 @@ static public bool IsUni4(string filePath)
         }
         static public bool IsCityReport(HMail mail) // Same as above but mail input.
         {
-            // This is a small fix to not count MSG_CityDistressReport messages with no report info.
-            if (!(mail.Body.Contains("<b>MORALE</b>") || mail.Body.Contains("<b>POPULATION</b>")))
-                return false;
-
             return IsCityReport(mail.MessageType);
         }
         static public bool IsCityReport(byte[] mailBytes) // Same as above but mailBytes input.