Remove unused functions causing annoying OLEAUT32.dll warning.

stepmania/src/BaseClasses/winctrl.cpp

@@ -126,7 +126,7 @@ STDMETHODIMP CBaseControlWindow::put_Caption(BSTR strCaption) {
 // which ensures the interface doesn't fiddle around with getting memory. A
 // BSTR is a normal C string with the length at position (-1), we use the
 // WriteBSTR helper function to create the caption to try and avoid OLE32
-
+/*
 STDMETHODIMP CBaseControlWindow::get_Caption(BSTR *pstrCaption) {
     CheckPointer(pstrCaption,E_POINTER);
     CheckConnected(m_pPin,VFW_E_NOT_CONNECTED);
@@ -143,7 +143,7 @@ STDMETHODIMP CBaseControlWindow::get_Caption(BSTR *pstrCaption) {
 #endif
     return WriteBSTR(pstrCaption,WideCaption);
 }
-
+*/
 
 // Set the window style using GWL_EXSTYLE