clamav ftbfs on armhf in wily

see
https://launchpad.net/ubuntu/+source/clamav/0.98.7+dfsg-0ubuntu3/+build/7776032

FAIL: check_clamav
==================

Running suite(s): cl_api
 cli
 jsnorm
 str
 regex
 disasm
 unique
 matchers
 htmlnorm
 bytecode
99%: Checks: 960, Failures: 5, Errors: 0
check_clamav.c:794:F:digital signatures:test_cli_dsig:0: digital signature verification test failed
check_clamav.c:794:F:digital signatures:test_cli_dsig:1: digital signature verification test failed
check_bytecode.c:493:F:arithmetic:test_load_bytecode_jit:0: failed to load input/bytecode.cvd: Can't verify database integrity

check_bytecode.c:493:F:arithmetic:test_load_bytecode_int:0: failed to load input/bytecode.cvd: Can't verify database integrity

check_bytecode.c:493:F:arithmetic:test_parallel_load:0: failed to load input/bytecode.cvd: Can't verify database integrity

FAIL check_clamav (exit status: 1)