Merge pull request #3450

4c0b2cd Win32: use a more modern API call in FileCommit() (Philip Kaufmann)

src/util.cpp

@@ -1103,7 +1103,8 @@ void FileCommit(FILE *fileout)
 {
     fflush(fileout); // harmless if redundantly called
 #ifdef WIN32
-    _commit(_fileno(fileout));
+    HANDLE hFile = (HANDLE)_get_osfhandle(_fileno(fileout));
+    FlushFileBuffers(hFile);
 #else
     #if defined(__linux__) || defined(__NetBSD__)
     fdatasync(fileno(fileout));