fix RenameOver() and FileCommit() functions, to not generate compilation errors

src/main.h

@@ -10,10 +10,6 @@
 #include "net.h"
 #include "script.h"
 
-#ifdef WIN32
-#include <io.h> /* for _commit */
-#endif
-
 #include <list>
 
 class CWallet;

src/util.cpp

@@ -47,6 +47,7 @@ namespace boost {
 #ifndef NOMINMAX
 #define NOMINMAX
 #endif
+#include <io.h> /* for _commit */
 #include "shlobj.h"
 #endif
 
@@ -913,7 +914,7 @@ void CreatePidFile(const boost::filesystem::path &path, pid_t pid)
 bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest)
 {
 #ifdef WIN32
-    return MoveFileEx(src.string().c_str(), dest.string().c_str(),
+    return MoveFileExA(src.string().c_str(), dest.string().c_str(),
                       MOVEFILE_REPLACE_EXISTING);
 #else
     int rc = std::rename(src.string().c_str(), dest.string().c_str());