Moved PushGetBlocks to main.cpp to eliminate dependence of net.cpp on CBlockLocator.

src/net.cpp

@@ -79,17 +79,6 @@ unsigned short GetListenPort()
     return (unsigned short)(GetArg("-port", GetDefaultPort()));
 }
 
-void CNode::PushGetBlocks(CBlockIndex* pindexBegin, uint256 hashEnd)
-{
-    // Filter out duplicate requests
-    if (pindexBegin == pindexLastGetBlocksBegin && hashEnd == hashLastGetBlocksEnd)
-        return;
-    pindexLastGetBlocksBegin = pindexBegin;
-    hashLastGetBlocksEnd = hashEnd;
-
-    PushMessage("getblocks", CBlockLocator(pindexBegin), hashEnd);
-}
-
 // find 'best' local address for a particular peer
 bool GetLocal(CService& addr, const CNetAddr *paddrPeer)
 {