Revert "Fix code for Android"

This reverts commit 7a91fbebd9.

filesystem/filesystem_stdio.cpp

@@ -972,11 +972,7 @@ void CStdioFile::FS_fclose()
 		AUTO_LOCK( m_MutexLockedFD );
 
 		struct _stat buf;
-#ifdef ANDROID
-		int fd = fileno( m_pFile ); // need to test this
-#else
 		int fd = fileno_unlocked( m_pFile );
-#endif
 		fstat( fd, &buf );
 
 		fflush( m_pFile );