pgAdmin III commit: Fixed a remove/delete dialog, not allowing to remov

Fixed a remove/delete dialog, not allowing to remove relationships from a diagram, only removing it from a model which
isthe correct behavior. 

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=pgadmin3.git;a=commitdiff;h=79ac06efd1fdb8425a9880ce406744eb9c7f1a60
Author: Luis Ochoa <ziul1979@gmail.com>

Modified Files
--------------
.../dd/dditems/figures/ddRelationshipFigure.cpp    |    3 ++-
pgadmin/dd/ddmodel/ddDrawingEditor.cpp             |    5 +++--
.../wxhotdraw/utilities/wxhdRemoveDeleteDialog.cpp |    7 ++++++-
.../wxhotdraw/utilities/wxhdRemoveDeleteDialog.h   |    4 +++-
4 files changed, 14 insertions(+), 5 deletions(-)