Added the -O2 optimization flag

Author: sYnfo

bf2c.py

@@ -36,4 +36,4 @@ def balanced_parens(s):
             if l in bf2c:
                 outp.write(bf2c[l] + "\n")
 
-subprocess.call(["gcc", "-g", "bf_runtime.c", "-o", "bf"])
+subprocess.call(["gcc", "-g", "-O2" , "bf_runtime.c", "-o", "bf"])