We can safely cast the data in a GArray to gpointer first, and then
to the pointer type we require.
cinterion/tests/test-modem-helpers-cinterion.c: In function 'common_test_scfg':
cinterion/tests/test-modem-helpers-cinterion.c:56:56: error: cast increases required alignment of target type [-Werror=cast-align]
expected_bands_str = mm_common_build_bands_string ((const MMModemBand *)expected_bands->data,
^
cinterion/tests/test-modem-helpers-cinterion.c:58:47: error: cast increases required alignment of target type [-Werror=cast-align]
bands_str = mm_common_build_bands_string ((const MMModemBand *)bands->data,
^
cinterion/tests/test-modem-helpers-cinterion.c: In function 'common_test_scfg_response':
cinterion/tests/test-modem-helpers-cinterion.c:209:56: error: cast increases required alignment of target type [-Werror=cast-align]
expected_bands_str = mm_common_build_bands_string ((const MMModemBand *)expected_bands->data,
^
cinterion/tests/test-modem-helpers-cinterion.c:211:47: error: cast increases required alignment of target type [-Werror=cast-align]
bands_str = mm_common_build_bands_string ((const MMModemBand *)bands->data,
^