fix: improve line splitting to handle both LF and CRLF line endings (#1106)

Author: gadfly3173

src/Commands/CountLocalChangesWithoutUntracked.cs

@@ -16,7 +16,7 @@ public int Result()
             var rs = ReadToEnd();
             if (rs.IsSuccess)
             {
-                var lines = rs.StdOut.Split('\n', StringSplitOptions.RemoveEmptyEntries);
+                var lines = rs.StdOut.Split(['\n', '\r'], StringSplitOptions.RemoveEmptyEntries);
                 return lines.Length;
             }
 

src/Commands/QueryCommitSignInfo.cs

@@ -1,4 +1,6 @@
-namespace SourceGit.Commands
+using System;
+
+namespace SourceGit.Commands
 {
     public class QueryCommitSignInfo : Command
     {
@@ -22,7 +24,7 @@ public Models.CommitSignInfo Result()
             if (raw.Length <= 1)
                 return null;
 
-            var lines = raw.Split('\n');
+            var lines = raw.Split(['\n', '\r'], StringSplitOptions.RemoveEmptyEntries);
             return new Models.CommitSignInfo()
             {
                 VerifyResult = lines[0][0],