net: Drop secpath on free after gro merge.

With a followup patch, a gro merged skb can have a secpath.
So drop it before freeing or reusing the skb.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

path: root/tools/build/feature/test-zlib.c

#include <zlib.h>

int main(void)
{
	z_stream zs;

	inflateInit(&zs);
	return 0;
}