run pcaptest program crashed when using go1.5 windows,amd64

[zieckey]

$ ./pcaptest.exe -r /e/1/pcap/a.pcap
Exception 0xc0000005 0x8 0x309400800 0x309400800
PC=0x309400800
signal arrived during external code execution

github.com/akrennmair/gopcap._Cfunc_pcap_findalldevs(0xc082022028, 0x3c7870, 0x0)
        ??:0 +0x3c
github.com/akrennmair/gopcap.Findalldevs(0x0, 0x0, 0x0, 0x0, 0x0)
        e:/goworkspace/go/src/github.com/akrennmair/gopcap/pcap.go:194 +0xf1
main.main()
        e:/goworkspace/go/src/github.com/akrennmair/gopcap/tools/pcaptest/pcaptest.go:28 +0x146

goroutine 17 [syscall, locked to thread]:
runtime.goexit()
        c:/go/src/runtime/asm_amd64.s:1696 +0x1
rax     0xc082055fa0
rbx     0xc082055bc8
rcx     0xc082022028
rdi     0xc082055fa0
rsi     0x632120
rbp     0x0
rsp     0x22fd78
r8      0xc082018000
r9      0xc082055b60
r10     0x4fb210
r11     0x65
r12     0x8
r13     0x5a7f94
r14     0x3f
r15     0x8
rip     0x309400800
rflags  0x10202
cs      0x33
fs      0x53
gs      0x2b

But when I use go1.4.2 and the same platform (windows,amd64), it works OK.