OGC test suite-Link to XML dtd document need to be update

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Validation against the XML dtd produce an error.  MapServer need to use the
right dtd version when answering to a GetCapabilities request:

"http://www.digitalearth.gov/wmt/xml/capabilities_1_1_1.dtd"

Bug found in MapServer 4.0B.

Test path = wms/profiles/basic/1

In mapwms.c, the "dtd_url" target needs to be update to
http://www.digitalearth.gov/wmt/xml/capabilities_1_1_1.dtd (see below).

/*
** msWMSGetCapabilities()
*/
int msWMSGetCapabilities(mapObj *map, const char *wmtver) 

.....

  else {
    wmtver = "1.1.0";
    dtd_url = "http://www.digitalearth.gov/wmt/xml/capabilities_1_1_0.dtd";
  }
....

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The test path is :wms/wmsops/getcapabilities/response/2
instead of :wms/profiles/basic/1

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*** This bug has been marked as a duplicate of 158 ***