fix, PEBKAC, also weakify fixc_get_mty()

Signed-off-by: Sebastian Freundt <freundt@fresse.org>
test, don't run static fixc_from_fixml tests anymore

Signed-off-by: Sebastian Freundt <freundt@fresse.org>
Merge branch 'core/engdso' into next

* core/engdso:
  test, don't run static fixc_from_fixml tests anymore
  fix, PEBKAC, also weakify fixc_get_mty()