Small db tables adjustments

gns3server/db/models/computes.py

@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from sqlalchemy import Column, String
+from sqlalchemy import Column, String, Integer
 
 from .base import BaseTable, GUID
 
@@ -28,6 +28,6 @@ class Compute(BaseTable):
     name = Column(String, index=True)
     protocol = Column(String)
     host = Column(String)
-    port = Column(String)
+    port = Column(Integer)
     user = Column(String)
     password = Column(String)