Resolve some extra semicolon warnings

samples/grid/griddemo.cpp

@@ -1675,7 +1675,7 @@ wxString BugsGridTable::GetTypeName(int WXUNUSED(row), int col)
     {
         case Col_Id:
         case Col_Priority:
-            return wxGRID_VALUE_NUMBER;;
+            return wxGRID_VALUE_NUMBER;
 
         case Col_Severity:
             // fall thorugh (TODO should be a list)
@@ -2473,7 +2473,7 @@ void GridFrame::OnRenderPaint( wxPaintEvent& event )
     canvas->PrepareDC( dc );
 
     if ( !m_gridBitmap.IsOk() )
-        return;;
+        return;
 
     wxMemoryDC memDc( m_gridBitmap );
 

samples/propgrid/tests.cpp

@@ -83,7 +83,7 @@ public:
                     return col;
                 }
                 return *wxWHITE;
-        };
+        }
         return wxColour();
     }
 

samples/sockets/baseclient.cpp

@@ -218,13 +218,13 @@ Client::OnCmdLineParsed(wxCmdLineParser& pParser)
         if (!file.IsOpened()) {
             wxLogError("Cannot open file %s",fname);
             return false;
-        };
+        }
         if (!file.ReadAll(&m_message)) {
             wxLogError("Cannot read content of file %s",fname);
             return false;
-        };
+        }
         m_sendType = SEND_MESSAGE;
-    };
+    }
 
     if (pParser.Found("s",&m_stressWorkers))
         m_sendType = STRESS_TEST;
@@ -440,7 +440,7 @@ Client::OnWorkerEvent(WorkerEvent& pEvent) {
             m_statDone++;
             m_statDisconnecting--;
         break;
-    };
+    }
 
     if (pEvent.isFailed() || pEvent.m_eventType == WorkerEvent::DONE)
     {
@@ -719,7 +719,7 @@ wxThread::ExitCode ThreadWorker::Entry()
         etype = WorkerEvent::DISCONNECTING;
         WorkerEvent e(this,etype);
         wxGetApp().AddPendingEvent(e);
-    };
+    }
     m_clientSocket->Close();
     m_clientSocket->Destroy();
     m_clientSocket = NULL;

samples/sockets/baseserver.cpp

@@ -408,7 +408,7 @@ void Server::OnSocketEvent(wxSocketEvent& pEvent)
                 else
                 {
                     wxLogError("Server: cannot create next thread (current threads: %d", m_threadWorkers.size());
-                };
+                }
             }
             else
             {