Merge pull request #149 from mortezag/fixByteX

Fix Byte.ToString(X2)

Author: mortezag

Framework/Subset_of_CorLib/System/Number.cs

@@ -371,7 +371,7 @@ private static String PostProcessInteger(Object value, String original, char for
                     {
                         int len = result.Length;
 
-                        if(value is sbyte)
+                        if(value is sbyte || value is byte)
                         {
                             if (len > 2)
                             {

Test/Platform/Tests/CLR/mscorlib/systemlib/systemlib2/SystemTypeTests.cs

@@ -63,6 +63,7 @@ public MFTestResults Number_ToString_Test()
             // will display its full hex value
             bRet &=               "FE" == ((sbyte )                -2).ToString("x02");
             bRet &=               "36" == ((byte  )              0x36).ToString("x02");
+            bRet &=               "FF" == ((byte  )               255).ToString("X2");
             bRet &=             "FFFD" == ((short )                -3).ToString("x04");
             bRet &=             "3049" == ((ushort)            0x3049).ToString("x4");
             bRet &=             "FC00" == ((short )             -1024).ToString("x02");