libzpool: separate driver-side include

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17861

cmd/raidz_test/raidz_test.c

@@ -33,6 +33,7 @@
 #include <sys/vdev_raidz_impl.h>
 #include <assert.h>
 #include <stdio.h>
+#include <libzpool.h>
 #include "raidz_test.h"
 
 static int *rand_data;

cmd/zdb/zdb.c

@@ -89,6 +89,7 @@
 #include <sys/zstd/zstd.h>
 #include <sys/backtrace.h>
 
+#include <libzpool.h>
 #include <libnvpair.h>
 #include <libzutil.h>
 #include <libzfs_core.h>

cmd/zhack.c

@@ -55,6 +55,7 @@
 #include <zfeature_common.h>
 #include <libzutil.h>
 #include <sys/metaslab_impl.h>
+#include <libzpool.h>
 
 static importargs_t g_importargs;
 static char *g_pool;

cmd/ztest.c

@@ -139,6 +139,7 @@
 #include <sys/crypto/icp.h>
 #include <sys/zfs_impl.h>
 #include <sys/backtrace.h>
+#include <libzpool.h>
 
 static int ztest_fd_data = -1;
 static int ztest_fd_rand = -1;