fix: null terminate path of agent

src/agent.rs

@@ -46,13 +46,15 @@ impl Agent {
         if child == 0 {
             // child
 
+            let path = CString::new(path.as_os_str().as_encoded_bytes()).unwrap();
             let data_fd = CString::new(data_fd.to_string()).unwrap();
             let sync_fd = CString::new(sync_fd.to_string()).unwrap();
             let keyfile = CString::new(std::env::var("KEY_FILE").expect("KEY_FILE environment variable missing")).unwrap();
             let args = [data_fd.as_ptr(), sync_fd.as_ptr(), keyfile.as_ptr(), ptr::null()];
 
+
             execve(
-                path.as_os_str().as_encoded_bytes().as_ptr() as *const c_char,
+                path.as_ptr() as *const c_char,
                 args.as_ptr(),
                 ptr::null(),
             );