fix ctest build name/site

CTestConfig.cmake

@@ -9,7 +9,7 @@ set(CTEST_DROP_SITE_CDASH TRUE)
 set(CTEST_DROP_SITE onelab.info)
 set(CTEST_DROP_LOCATION "/CDash/submit.php?project=Gmsh")
 set(CTEST_TRIGGER_SITE "")
-set(CTEST_BUILD_NAME "${GMSH_OS} (${GMSH_CONFIG_OPTIONS})")
-set(CTEST_SITE "${GMSH_HOST}")
+set(BUILDNAME "${GMSH_OS}${GMSH_EXTRA_BUILD_NAME}")
+set(SITE "${GMSH_HOST}")
 set(CTEST_CUSTOM_MAXIMUM_NUMBER_OF_WARNINGS "1000")
 set(CTEST_CUSTOM_MAXIMUM_NUMBER_OF_ERRORS "1000")