bpf-apache: filter.c should not include stdint.h
This is a step towards using clang -target bpf.
// See the License for the specific language governing permissions and
// limitations under the License.
-#include <stdint.h>
+#include <linux/types.h>
#include <linux/bpf.h>
#include <linux/if_ether.h>
#include <linux/ip.h>
