title[18] -> title[22]

compile warning:

```c
src/whets.c:797:20: warning: argument 1 of type ‘char[18]’ with mismatched bound [-Warray-parameter=]
  797 |     void pout(char title[18], float ops, int type, SPDP checknum,
      |               ~~~~~^~~~~~~~~
src/whets.c:315:17: note: previously declared as ‘char[22]’
  315 |  void pout(char title[22], float ops, int type, SPDP checknum,
      |            ~~~~~^~~~~~~~~
```

UnixBench/src/whets.c

@@ -794,7 +794,7 @@ char	*argv[];
       }
 
 
-    void pout(char title[18], float ops, int type, SPDP checknum,
+    void pout(char title[22], float ops, int type, SPDP checknum,
 	      SPDP time, int calibrate, int section)
       {
 	SPDP mops,mflops;