Fix compilation issue for test

Signed-off-by: Doru Blânzeanu <[email protected]>

Author: dblnz

src/hyperlight_host/src/hypervisor/hyperv_linux.rs

@@ -1087,6 +1087,7 @@ impl Drop for HypervLinuxDriver {
 #[cfg(test)]
 mod tests {
     use super::*;
+    #[cfg(feature = "unwind_guest")]
     use crate::mem::exe::DummyUnwindInfo;
     use crate::mem::memory_region::MemoryRegionVecBuilder;
     use crate::mem::shared_mem::{ExclusiveSharedMemory, SharedMemory};