Restore the empty line after the license (#6088)

substrate/client/executor/wasmtime/src/imports.rs

@@ -15,6 +15,7 @@
 
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
+
 use crate::state_holder;
 use sc_executor_common::error::WasmError;
 use sp_wasm_interface::{Function, Value, ValueType};