Fix coverity issues in the multi-dataset fit interface

[Roman Tolchenov]

*** CID 1294007:  Uninitialized members  (UNINIT_CTOR)
/home/builder/jenkins-linode/workspace/coverity_build_and_submit/Code/Mantid/MantidQt/CustomInterfaces/src/MultiDatasetFit/MDFAddWorkspaceDialog.cpp: 37 in MantidQt::CustomInterfaces::MDF::AddWorkspaceDialog::AddWorkspaceDialog(QWidget *)()
31         }
32       }
33       connect(m_uiForm.cbWorkspaceName,SIGNAL(currentIndexChanged(const QString&)),this,SLOT(workspaceNameChanged(const QString&)));
34       m_uiForm.cbWorkspaceName->addItems( workspaceNames );
35     
36       connect(m_uiForm.cbAllSpectra,SIGNAL(stateChanged(int)),this,SLOT(selectAllSpectra(int)));
>>>     CID 1294007:  Uninitialized members  (UNINIT_CTOR)
>>>     Non-static class member "m_maxIndex" is not initialized in this constructor nor in any functions that it calls.
37     }
38     
39     /// Slot. Reacts on change of workspace name in the selection combo box.
40     /// @param wsName :: Name of newly selected workspace.
41     void AddWorkspaceDialog::workspaceNameChanged(const QString& wsName)
42     {

[Roman Tolchenov]

Re #11568. Init the variable.

Changeset: 3ce371e2326ddf6736d4cb976f393f22fabd8270

[Roman Tolchenov]

This is being verified as ​pull request #595.

[Roman Tolchenov]

Re #11568. Init the variable.

Changeset: 3ce371e2326ddf6736d4cb976f393f22fabd8270

[Dan Nixon]

Merge pull request #595 from mantidproject/11568_coverity_issue_multidata_fitting

Coverity issue in the multi-dataset fit interface

Full changeset: ​6602a1c61f00c059da20842299c9deb403d7ec10

[Stuart Campbell]

This ticket has been transferred to github issue ​12406