Explicitly set timer resolution on windows

code/sys/sys_local.h

@@ -51,6 +51,7 @@ char *Sys_StripAppBundle( char *pwd );
 void Sys_GLimpSafeInit( void );
 void Sys_GLimpInit( void );
 void Sys_PlatformInit( void );
+void Sys_PlatformExit( void );
 void Sys_SigHandler( int signal );
 void Sys_ErrorDialog( const char *error );
 void Sys_AnsiColorPrint( const char *msg );