libseccomp-golang: BUG: mismatched types C.uint32_t and C.uint on older gcc versions

root@meihuabo:~/goWorkspace/src/github.com/seccomp/libseccomp-golang# go install 
# github.com/seccomp/libseccomp-golang
./seccomp_internal.go:298: invalid operation: in.toNative() == *_Cvar_C_ARCH_BAD (mismatched types C.uint32_t and C.uint)
./seccomp_internal.go:328: invalid case *_Cvar_C_ARCH_X86 in switch on a (mismatched types C.uint and C.uint32_t)
./seccomp_internal.go:330: invalid case *_Cvar_C_ARCH_X86_64 in switch on a (mismatched types C.uint and C.uint32_t)
./seccomp_internal.go:332: invalid case *_Cvar_C_ARCH_X32 in switch on a (mismatched types C.uint and C.uint32_t)
./seccomp_internal.go:334: invalid case *_Cvar_C_ARCH_ARM in switch on a (mismatched types C.uint and C.uint32_t)
./seccomp_internal.go:336: invalid case *_Cvar_C_ARCH_NATIVE in switch on a (mismatched types C.uint and C.uint32_t)
./seccomp_internal.go:338: invalid case *_Cvar_C_ARCH_AARCH64 in switch on a (mismatched types C.uint and C.uint32_t)
root@AY14052923334089220fZ:/mydata/goWorkspace/gotest/src/github.com/seccomp/libseccomp-golang# nt and C.uint32_t)

server info:

Ubuntu 12.04.5 LTS \n \l

Linux meihuabo 3.8.0-44-generic #66~precise1-Ubuntu SMP Tue Jul 15 04:01:04 

go version go1.4.1    linux/amd64

issue in runc mismatched types C.uint32_t and C.uint