bytebeat_compiler.py: return the exit code the compiler returns

bytebeat_compiler.py

@@ -3,7 +3,7 @@
 from argparse import ArgumentParser
 from os import system, environ, makedirs
 from os.path import exists, join as path_join
-from sys import stdin
+from sys import stdin, exit
 from typing import Dict, Union
 import subprocess
 
@@ -230,4 +230,4 @@ if __name__ == "__main__":
 	command = " ".join([CC, CFLAGS, INPUT_FILE, PATHS["fwrite_le"], "-o",
 		OUTPUT_FILE])
 	print(command, flush=True)
-	system(command)
+	exit(system(command))