Revert "Don't crash if the log file can't be opened"

We don't have a stdout to _dup2() into when run as a service.

This reverts commit e9ddf91157a8903128d3030acd9985eb3c98a755.

miss/miss.cpp

@@ -11,8 +11,6 @@
 #include <stdio.h>
 #include <assert.h>
 #include <stdlib.h>
-#include <io.h>
-#include <fcntl.h>
 
 #include "relay.h"
 #include "..\version.h"
@@ -836,27 +834,15 @@ void ResetLogFile(bool standaloneExe)
         ExpandEnvironmentStringsA("%ProgramData%\\MISS\\miss-old.log", oldLogFilePath, sizeof(oldLogFilePath));
         ExpandEnvironmentStringsA("%ProgramData%\\MISS\\miss-current.log", currentLogFilePath, sizeof(currentLogFilePath));
 
+        // Close the existing stdout handle. This is important because otherwise
+        // it may still be open as stdout when we try to MoveFileEx below.
+        fclose(stdout);
+
         // Rotate the current to the old log file
         MoveFileExA(currentLogFilePath, oldLogFilePath, MOVEFILE_REPLACE_EXISTING);
 
-        // Open the new log file
-        HANDLE newLogHandle = CreateFileA(currentLogFilePath,
-                                          GENERIC_WRITE,
-                                          FILE_SHARE_READ | FILE_SHARE_DELETE,
-                                          nullptr,
-                                          CREATE_ALWAYS,
-                                          FILE_ATTRIBUTE_NORMAL,
-                                          nullptr);
-        if (newLogHandle == INVALID_HANDLE_VALUE) {
-            return;
-        }
-
-        // Convert the HANDLE to an fd (transfers ownership too)
-        int fd = _open_osfhandle((intptr_t)newLogHandle, _O_WRONLY);
-
         // Redirect stdout to this new file
-        _dup2(fd, _fileno(stdout));
+        freopen(currentLogFilePath, "w", stdout);
-        _close(fd);
     }
 
     // Print a log header