catch by const reference

Change-Id: I80a26483c4ecd099a1cfe76bdac1e97b947ef104

dbaccess/source/ui/app/AppControllerDnD.cxx

@@ -283,7 +283,7 @@ void OApplicationController::deleteObjects( ElementType _eType, const ::std::vec
                 {
                     showError( SQLExceptionInfo( ::cppu::getCaughtException() ) );
                 }
-                catch(WrappedTargetException& e)
+                catch(const WrappedTargetException& e)
                 {
                     SQLException aSql;
                     if ( e.TargetException >>= aSql )

dbaccess/source/ui/dlg/DbAdminImpl.cxx

@@ -386,9 +386,9 @@ void ODbDataSourceAdministrationHelper::clearPassword()
             aRet.first = getDriver()->connect(getConnectionURL(), aConnectionParams);
             aRet.second = sal_True;
         }
-        catch (SQLContext& e) { aErrorInfo = SQLExceptionInfo(e); }
-        catch (SQLWarning& e) { aErrorInfo = SQLExceptionInfo(e); }
-        catch (SQLException& e) { aErrorInfo = SQLExceptionInfo(e); }
+        catch (const SQLContext& e) { aErrorInfo = SQLExceptionInfo(e); }
+        catch (const SQLWarning& e) { aErrorInfo = SQLExceptionInfo(e); }
+        catch (const SQLException& e) { aErrorInfo = SQLExceptionInfo(e); }
 
         showError(aErrorInfo,m_pParent,getORB());
     }
@@ -415,7 +415,7 @@ Reference< XDriver > ODbDataSourceAdministrationHelper::getDriver(const ::rtl::O
         xDriverManager = Reference< XDriverAccess >(getORB()->createInstance(SERVICE_SDBC_CONNECTIONPOOL), UNO_QUERY);
         OSL_ENSURE(xDriverManager.is(), "ODbDataSourceAdministrationHelper::getDriver: could not instantiate the driver manager, or it does not provide the necessary interface!");
     }
-    catch (Exception& e)
+    catch (const Exception& e)
     {
         // wrap the exception into an SQLException
         SQLException aSQLWrapper(e.Message, getORB(), ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("S1000")), 0, Any());

dbaccess/source/ui/dlg/UserAdmin.cxx

@@ -277,7 +277,7 @@ IMPL_LINK( OUserAdmin, UserHdl, PushButton *, pButton )
         }
         FillUserNames();
     }
-    catch(SQLException& e)
+    catch(const SQLException& e)
     {
         ::dbaui::showError(::dbtools::SQLExceptionInfo(e),this,m_xORB);
         return 0;
@@ -340,7 +340,7 @@ void OUserAdmin::implInitControls(const SfxItemSet& _rSet, sal_Bool _bSaveValue)
         }
         FillUserNames();
     }
-    catch(SQLException& e)
+    catch(const SQLException& e)
     {
         ::dbaui::showError(::dbtools::SQLExceptionInfo(e),this,m_xORB);
     }