fix VC6 clear() hack

stepmania/src/StdString.h

@@ -544,7 +544,7 @@ public:
 	#endif
 
 	/* VC6 string is missing clear(). */
-	#if defined(_MSC_VER) && ( _MSC_VER < 1200 )
+	#if defined(_MSC_VER) && ( _MSC_VER < 1300 )	/* VC6, not VC7 */
 	void clear()
 	{
 		this->erase();

stepmania/src/archutils/Win32/CrashHandlerNetworking.cpp

@@ -674,7 +674,7 @@ void NetworkPostData::HttpThread()
 	RString sResult;
 	while( m_pStream->GetState() == NetworkStream::STATE_CONNECTED )
 	{
-		sBuf.erase( sBuf.begin(), sBuf.end() );
+		sBuf.clear();
 		void *p = sBuf.GetBuffer( 1024 );
 		int iGot = m_pStream->Read( p, 1024 );
 		if( iGot >= 0 )
@@ -713,7 +713,7 @@ void NetworkPostData::Start( const RString &sHost, int iPort, const RString &sPa
 	m_sHost = sHost;
 	m_iPort = iPort;
 	m_sPath = sPath;
-	m_sStatus.erase( m_sStatus.begin(), m_sStatus.end() );
+	m_sStatus.clear();
 	m_fProgress = 0;
 
 	m_Thread.SetName( "HTTP thread" );