Remove windows line ending from repo files

visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/GCCUtilities.cs

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 
 using System.IO;
 using System.Text.RegularExpressions;
 
 namespace NaCl.Build.CPPTasks
 {
@@ skipping 81 matching lines @@
             },
             new GCCRegexLineConverter 
             {
                 OutputExpression =      new Regex(@"^\s*(.?.?[^:]*.*?):(.?.?[^:]*.*?):([1-9]\d*):(.*$)"),
                 FilenameIdentifier =    @"$2",
                 RemainderIdentifier =   @"($3):'$1' $4"
             }
         };
     } // GCCUtilities
 } // namespace