More cppcheck fixes.

src/gui/qt/gametable/myavatarlabel.cpp

@@ -362,7 +362,7 @@ bool MyAvatarLabel::playerIsOnIgnoreList(QString playerName) {
 
     list<std::string> playerIgnoreList = myW->getMyConfig()->readConfigStringList("PlayerIgnoreList");
     list<std::string>::iterator it1;
-    for(it1= playerIgnoreList.begin(); it1 != playerIgnoreList.end(); it1++) {
+	for(it1= playerIgnoreList.begin(); it1 != playerIgnoreList.end(); ++it1) {
 
         if(playerName == QString::fromUtf8(it1->c_str())) {
             return true;

src/gui/qt/startwindow/startwindowimpl.h

@@ -24,7 +24,7 @@
 #include <assert.h>
 #include "ui_startwindow.h"
 #include "game_defs.h"
-#include "QMessageBox"
+#include <QMessageBox>
 
 class GuiInterface;
 class GuiWrapper;

src/net/common/chatcleanermanager.cpp

@@ -34,6 +34,7 @@ ChatCleanerManager::ChatCleanerManager(ChatCleanerCallback &cb, boost::shared_pt
 : m_callback(cb), m_ioService(ioService), m_connected(false), m_curRequestId(0), m_serverPort(0), m_useIpv6(false),
   m_recvBufUsed(0)
 {
+	m_recvBuf[0] = 0;
 	m_resolver.reset(
 		new boost::asio::ip::tcp::resolver(*m_ioService));
 }

src/net/receivebuffer.h

@@ -28,7 +28,7 @@
 
 struct ReceiveBuffer
 {
-	ReceiveBuffer() : recvBufUsed(0) {}
+	ReceiveBuffer() : recvBufUsed(0) {recvBuf[0] = 0;}
 	NetPacketList					receivedPackets;
 	char							recvBuf[RECV_BUF_SIZE];
 	unsigned						recvBufUsed;