Fix FromFile

SharpHelpers/SharpHelpers/StreamHelper.cs

@@ -173,22 +173,17 @@ public static bool ToFile(this Stream stream, string fileName, bool overrideExis
             {
                 return false;
             }
-        }
-
+        }
+
         /// <summary>
         /// Loads a stream from a file
         /// </summary>
         /// <param name="fileName"></param>
         /// <returns></returns>
-        public static Stream FromFile(string fileName)
-        {
-            var fileStream = File.OpenRead(fileName);
-            var fileLength = (int)fileStream.Length;
-            var fileBytes = new byte[fileLength];
-            fileStream.Read(fileBytes, 0, fileLength);
-            fileStream.Close();
-            fileStream.Dispose();
-            return FromArray(fileBytes);
+        public static Stream FromFile(this string fileName)
+        {
+            byte[] fileBytes = File.ReadAllBytes(fileName);
+            return FromArray(fileBytes);
         }
     }
 }