Normalize newlines in comments and contents (fixes #380)

CHANGELIST.md

@@ -34,6 +34,7 @@
 - Clear out fully matched IDs from the partial list
 - Refine copy protection section showing
 - Update Nuget packages
+- Normalize newlines in comments and contents
 
 ### 2.3 (2022-02-05)
 - Start overhauling Redump information pulling, again

MPF.Library/InfoTool.cs

@@ -894,6 +894,9 @@ namespace MPF.Library
                         .Where(s => !string.IsNullOrEmpty(s))
                 ) + "\n" + info.CommonDiscInfo.Comments;
 
+                // Normalize newlines
+                info.CommonDiscInfo.Comments = info.CommonDiscInfo.Comments.Replace("\r\n", "\n");
+
                 // Trim the comments field
                 info.CommonDiscInfo.Comments = info.CommonDiscInfo.Comments.Trim();
 
@@ -916,6 +919,9 @@ namespace MPF.Library
                         .Where(s => !string.IsNullOrEmpty(s))
                 ) + "\n" + info.CommonDiscInfo.Contents;
 
+                // Normalize newlines
+                info.CommonDiscInfo.Contents = info.CommonDiscInfo.Contents.Replace("\r\n", "\n");
+
                 // Trim the contents field
                 info.CommonDiscInfo.Contents = info.CommonDiscInfo.Contents.Trim();