Quell clang warnings in tests directory

Remove unnecessary parentheses in memcsv.c.

Fix cfp->u.c.combostr as old check was always true since it's statically
allocated.

RRR
Mike W9MDB

tests/memcsv.c

@@ -184,7 +184,7 @@ static int  tokenize_line( char *line, char **token_list, size_t siz, char delim
       tok = mystrtok( NULL, delim );
 //       printf("Next token: %s\n", tok );
       /* If NULL, no more tokens left */
-      if( (tok == NULL)  ) break;
+      if(tok == NULL) break;
       /* Add token to the list */
       token_list[ i++ ] = tok;
    }

tests/rotctl_parse.c

@@ -1115,7 +1115,7 @@ int print_conf_list(const struct confparams *cfp, rig_ptr_t data)
 					cfp->u.n.min, cfp->u.n.max, cfp->u.n.step);
 		break;
 	case RIG_CONF_COMBO:
-		if (!cfp->u.c.combostr)
+		if (!cfp->u.c.combostr[0])
 			break;
 		printf("\tCombo: %s", cfp->u.c.combostr[0]);
 		for (i = 1 ; i < RIG_COMBO_MAX && cfp->u.c.combostr[i]; i++)