mapwms.c small quick quick fix

[Kralidis,Tom [Burlington]]

Hi,

mapwms.c, when printing out MetadataURL via msOWSPrintURLType(), forgets
to print out the xlink:type="simple" attribute, as per other elements of
the same type.

...Can someone commit this to line 1217 in mapwms.c?  Same sort of thing
as in mapwms.c line 1231.

I'm not sure whether I should post this to bugzilla -- it's pretty
trivial.

Thanks

..Tom