The nargvstr and nenvstr properties of arginfo are ints, not longs, so should be copied to userspace with suword32() instead of suword(). This alleviates problems on 64-bit big-endian architectures, and is a no-op on all 32-bit architectures.
The nargvstr and nenvstr properties of arginfo are ints, not longs,
so should be copied to userspace with suword32() instead of suword().
This alleviates problems on 64-bit big-endian architectures, and is a
no-op on all 32-bit architectures.

Tested on:	amd64, sparc64, powerpc64

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