message: Fix UnixODBC installation check/detection
diff: @@ -290,7 +290,7 @@ if (NOT ODBC_UNIXODBC_FOUND AND NOT ODBC_UNIXODBC_CONFIG_SCRIPT)
  endif ()
  if ("${_file}" STREQUAL "sql.h")
  - if (NOT EXISTS "${_path}/unixodbc_conf.h")
  + if (NOT EXISTS "${_path}/uodbc_extras.h")
  set (ODBC_UNIXODBC_FOUND FALSE)
  message(WARNING "ODBC UnixODBC: path containing '${_file}' header file doesn't look like an include path for UnixODBC headers. (Possible clash with iODBC installation?)")
  else ()
  