VFS: VFile.sync now updates modified time

CHANGES

@@ -49,6 +49,7 @@ Misc:
  - Qt: Add refresh button to controller editing
  - ARM7: Clean up instruction decoding for future expandability
  - Debugger: CLI debugger now exits when end-of-stream is reached
+ - VFS: VFile.sync now updates modified time
 
 0.4.0: (2016-02-02)
 Features:

src/util/vfs/vfs-fd.c

@@ -9,6 +9,7 @@
 #include <sys/stat.h>
 #ifndef _WIN32
 #include <sys/mman.h>
+#include <sys/time.h>
 #else
 #include <windows.h>
 #endif
@@ -159,8 +160,15 @@ static bool _vfdSync(struct VFile* vf, const void* buffer, size_t size) {
 	UNUSED(size);
 	struct VFileFD* vfd = (struct VFileFD*) vf;
 #ifndef _WIN32
+	futimes(vfd->fd, NULL);
 	return fsync(vfd->fd) == 0;
 #else
-	return FlushFileBuffers((HANDLE) _get_osfhandle(vfd->fd));
+	HANDLE h = (HANDLE) _get_osfhandle(vfd->fd);
+	FILETIME ft;
+	SYSTEMTIME st;
+	GetSystemTime(&st);
+	SystemTimeToFileTime(&st, &ft);
+	SetFileTime(h, NULL, &ft, &ft);
+	return FlushFileBuffers(h);
 #endif
 }