Fix integer overflow bug

diff --git a/src/main.cpp b/src/main.cpp
index 30222b5..aaa8c52 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1640,7 +1640,7 @@ bool CTransaction::ClientConnectInputs()
 bool CBlock::DisconnectBlock(CTxDB& txdb, CBlockIndex* pindex)
 {
     // Disconnect in reverse order
-    for (size_t i = vtx.size()-1; i >= 0; i--)
+    for (int i = vtx.size()-1; i >= 0; i--)
         if (!vtx[i].DisconnectInputs(txdb))
             return false;