clarify function signature (GetNumBlocksOfPeers) and use number of 'frozen' blocks as initial value for number of peer blocks

src/qt/bitcoingui.cpp

@@ -346,7 +346,7 @@ void BitcoinGUI::setNumConnections(int count)
 void BitcoinGUI::setNumBlocks(int count)
 {
     int initTotal = clientModel->getNumBlocksAtStartup();
-    int total = clientModel->getTotalBlocksEstimate();
+    int total = clientModel->getNumBlocksOfPeers();
     QString tooltip;
 
     if(count < total)

src/qt/clientmodel.cpp

@@ -67,9 +67,9 @@ bool ClientModel::inInitialBlockDownload() const
     return IsInitialBlockDownload();
 }
 
-int ClientModel::getTotalBlocksEstimate() const
+int ClientModel::getNumBlocksOfPeers() const
 {
-    return GetMaxBlocksOfOtherNodes();
+    return GetNumBlocksOfPeers();
 }
 
 OptionsModel *ClientModel::getOptionsModel()

src/qt/clientmodel.h

@@ -32,7 +32,7 @@ public:
     // Return true if core is doing initial block download
     bool inInitialBlockDownload() const;
     // Return conservative estimate of total number of blocks, or 0 if unknown
-    int getTotalBlocksEstimate() const;
+    int getNumBlocksOfPeers() const;
 
     QString formatFullVersion() const;