Fix hash only sarcs from saving

Switch_FileFormatsMain/FileFormats/Archives/SARC.cs

@@ -195,12 +195,15 @@ namespace FirstPlugin
         {
             string dir = Path.GetDirectoryName(sarc.FullName);
 
+            if (!sarcData.HashOnly)
+            {
                 if (dir == string.Empty)
                     sarc.FullName = sarc.Text;
                 else
                     sarc.FullName = Path.Combine(dir, sarc.Text);
 
                 sarc.FullName = sarc.FullName.Replace(@"\", "/");
+            }
 
             sarcData.Files.Add(sarc.FullName, sarc.Data);
         }