ESYS/FAPI: Fix order of calloc parameters. #720

Job	Run time
coverity-test	0s
scanbuild	6m 44s
test-coverage	5m 0s
build-test (ubuntu-20.04, gcc)	4m 35s
test-fuzz	2m 34s
build-test (ubuntu-20.04, clang)	4m 37s
test-mbedtls (ubuntu-20.04)	3m 2s
test-no-crypto-build	1m 19s
build-test (fedora-32, gcc)	4m 50s
test-mbedtls (ubuntu-22.04-mbedtls-3.1)	2m 47s
test-tcti-config	14m 34s
build-test (fedora-32, clang)	5m 9s
build-test (opensuse-leap, gcc)	4m 48s
build-test (opensuse-leap, clang)	4m 51s
build-test (ubuntu-22.04, gcc)	4m 56s
build-test (ubuntu-22.04, clang)	4m 50s
build-test (alpine-3.15, gcc)	4m 0s
build-test (alpine-3.15, clang)	4m 57s
	1h 23m 33s

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