px4_kmmap.c: Fix file pointer reference counter handling after NuttX … #2001

Job	Run time
variables	1s
fc_matrix (saluki-pi_amp) / build	8m 59s
fc_matrix (saluki-pi_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-pi/px4_bin_ed25519_... / build	9m 6s
fc_matrix (saluki-nxp93_flat) / build	5m 50s
fc_matrix (saluki-nxp93_default) / build	7m 56s
fc_matrix (saluki-pi_default) / build	9m 18s
fc_matrix (saluki-pi_flat) / build	7m 3s
fc_matrix (saluki-v2_amp) / build	8m 54s
fc_matrix (saluki-v2_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v2/px4_bin_ed25519_... / build	9m 7s
fc_matrix (saluki-v2_default) / build	9m 8s
fc_matrix (saluki-v2_flat) / build	7m 11s
fc_matrix (saluki-v3_amp) / build	9m 1s
fc_matrix (saluki-v3_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v3/px4_bin_ed25519_... / build	9m 5s
fc_matrix (saluki-v3_default) / build	9m 14s
fc_matrix (saluki-v3_flat) / build	6m 39s
build px4fwupdater	2m 20s
upload px4fwupdater to docker registry	1m 45s
upload builds to UAE artifactory	3m 39s
upload px4fwupdater to UAE docker registry	0s
	2h 4m 16s

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