Add pty support for OpenBSD

Index: Ghidra/Framework/Pty/src/main/java/ghidra/pty/openbsd/OpenBSDIoctls.java
--- Ghidra/Framework/Pty/src/main/java/ghidra/pty/openbsd/OpenBSDIoctls.java.orig
+++ Ghidra/Framework/Pty/src/main/java/ghidra/pty/openbsd/OpenBSDIoctls.java
@@ -13,26 +13,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package ghidra.pty.linux;
+package ghidra.pty.openbsd;
 
 import ghidra.pty.unix.PosixC.Ioctls;
 import ghidra.pty.unix.UnixPtySessionLeader;
 
-public enum LinuxIoctls implements Ioctls {
+public enum OpenBSDIoctls implements Ioctls {
 	INSTANCE;
 
 	@Override
 	public Class<? extends UnixPtySessionLeader> leaderClass() {
-		return LinuxPtySessionLeader.class;
+		return OpenBSDPtySessionLeader.class;
 	}
 
 	@Override
 	public long TIOCSCTTY() {
-		return 0x540eL;
+		return 0x20007461L;
 	}
 
 	@Override
 	public long TIOCSWINSZ() {
-		return 0x5414L;
+		return 0x80087467L;
 	}
 }
