$CC --version is too unstructured
$CC --version is too unstructured

Give up and revert to "$CC -dumpversion".
Since by now no test now refers to patchlevel, make it unavailable in GCCVER so that nobody tries to use it.

Change-Id: Ife0bb0a94a73555d1f19f5a3c5853148042c7bba

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core