executor: compile fix
executor: compile fix

This fixes an error in printf() format for __u64:

gcc -o ./bin/linux_ppc64le/syz-executor executor/executor.cc \
        -D__powerpc64__ -O2 -pthread -Wall -Werror -Wparentheses \
	-Wunused-const-variable -Wframe-larger-than=16384
 -static  -DGOOS_linux=1 -DGOARCH_ppc64le=1 \
        -DHOSTGOOS_linux=1 \
	-DGIT_REVISION=\"82d2e60626ef1f43e557ca2933aee53bd5265eaf+\"
In file included from executor/test.h:5:0,
                 from executor/executor.cc:343:
executor/test_linux.h: In function ‘int test_one(int, const char*, int, \
	int, unsigned int, bool)’:
executor/test_linux.h:74:60: error: format ‘%llx’ expects argument of type \
	‘long long unsigned int’, but argument
2 has type ‘__u64 {aka long unsigned int}’ [-Werror=format=]
           cpu_mem->fail_entry.hardware_entry_failure_reason);
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^

Signed-off-by: Alexey Kardashevskiy <ac1fc56530d7d037e1ea666f130daca22d72f964@linux.ibm.com>

google/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,google/syzkaller