The order was wrong: GST_PLUGIN_SCANNER_1_0 was previously set before
GTKDOC_EXTRA_ENVIRONMENT and so was overriden by upstream setting it
from there. This changes the location of GST_PLUGIN_SCANNER_1_0 setting
to come after GTKDOC_EXTRA_ENVIRONMENT.
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>