Fixed glitch when tabs are changed prior to rigcaps.

wfmain.cpp

@@ -973,8 +973,7 @@ void wfmain::prepareSettingsWindow()
 
 void wfmain::updateSizes(int tabIndex)
 {
-    if(!haveRigCaps)
-        return;
+
     // This function does nothing unless you are using a rig without spectrum.
     // This is a hack. It is not great, but it seems to work ok.
     if(!rigCaps.hasSpectrum)