Fix error range for s4s-elt-must-match.2

[xorye]

Fixes #458

For this error range, I simply used the start tag name for the given offset.

The arguments were:

arguments[0] = "simpleType"
arguments[1] = "(annotation?, (restriction | list | union))"

Signed-off-by: David Kwon [email protected]

[angelozerr]

Thanks @xorye !