Add another possible error message that curl might emit with an empty drop location.

Tests/CMakeLists.txt

@@ -1131,6 +1131,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=CVS -P ${CMake_SOURCE_DIR}/Utilities/Rel
   set(regex "(Problems when submitting via S*CP")
   set(regex "${regex}|Error message was: ")
   set(regex "${regex}(Couldn.t resolve host ")
+  set(regex "${regex}|couldn.t connect to host ")
   set(regex "${regex}|libcurl was built with SSL disabled. https: not supported)")
   set(regex "${regex}|Submission method .xmlrpc. not compiled into CTest)")