[dotnet] Fixed unsigned char bug; initialized potential INTVAL return values to 0 (RT #59884, Jarrod).
[dotnet] Fixed unsigned char bug; initialized potential INTVAL return values to
0 (RT #59884, Jarrod).

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@32743 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot