ENH: fix compiler warnings

Source/MFCDialog/CMakeSetupDialog.cpp

@@ -807,7 +807,7 @@ void CMakeSetupDialog::FillCacheGUIFromCacheManager()
 { 
   cmCacheManager *cachem = this->m_CMakeInstance->GetCacheManager();
   cmCacheManager::CacheIterator it = cachem->NewIterator();
-  size_t size = m_CacheEntriesList.GetItems().size();
+
   // if there are already entries in the cache, then
   // put the new ones in the top, so they show up first
   bool reverseOrder = false;

Source/MFCDialog/PathDialog.cpp

@@ -205,7 +205,7 @@ int CPathDialog::DoModal()
   return iResult;
 }
 
-BOOL CPathDialog::IsFileNameValid(LPCTSTR lpFileName)
+BOOL CPathDialog::IsFileNameValid(LPCTSTR /* lpFileName */)
 {
   return TRUE;
 }
@@ -232,7 +232,7 @@ const TCHAR c_szErrCreatePath[] = _T(
 int CPathDialog::MakeSurePathExists(LPCTSTR lpPath)
 {
   CString strMsg;
-  int iRet;
+  int iRet = -1;
   try
     {
     //validate path
@@ -273,7 +273,6 @@ int CPathDialog::MakeSurePathExists(LPCTSTR lpPath)
       }
 
     AfxMessageBox(strMsg, MB_OK|MB_ICONEXCLAMATION);
-
     }
 
   return iRet;

Source/MFCDialog/PropertyList.cpp

@@ -677,7 +677,7 @@ CPropertyItem* CPropertyList::GetItem(int index)
   return (CPropertyItem*)GetItemDataPtr(index);
 }
 
-void CPropertyList::OnRButtonUp( UINT nFlags, CPoint point )
+void CPropertyList::OnRButtonUp( UINT /* nFlags */, CPoint point )
 {
   CMenu menu;
   CRect rect;
@@ -759,7 +759,6 @@ void CPropertyList::RemoveAll()
   int c = this->GetCount();
   for(int i =0; i < c; ++i)
     {
-    CPropertyItem* pItem = (CPropertyItem*) GetItemDataPtr(0);
     this->DeleteString(0);
     }
   for(std::set<CPropertyItem*>::iterator ii = m_PropertyItems.begin();