xtables: fix compilation due to missing autogenerated header

Fix compilation:

nft.c:51:35: fatal error: xtables-config-parser.h: File or directory doesn't exist

xtables-config-parser.h was generated after compiling nft.c.

Reported-by: Giuseppe Longo <giuseppelng@gmail.com>
Tested-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
1 file changed