Fix some warnings in the testsuite.

ChangeLog

+2012-12-20  Niels Möller  <nisse@lysator.liu.se>
+
+	From Tim Rühsen:
+	* testsuite/des-compat-test.c (pt): Use proper prototype, use
+	const.
+	* testsuite/testutils.c (test_dsa_key): Deleted spurious
+	semicolon.
+
 2012-12-15  Niels Möller  <nisse@lysator.liu.se>
 
 	From Alon Bar-Lev:

testsuite/des-compat-test.c

@@ -744,14 +744,13 @@ plain[8+4], plain[8+5], plain[8+6], plain[8+7]);
 	ASSERT (err == 0);
 	}
 
-static char *pt(p)
-const unsigned char *p;
+static char *pt(const unsigned char *p)
 	{
 	static char bufs[10][20];
 	static int bnum=0;
 	char *ret;
 	int i;
-	static char *f="0123456789ABCDEF";
+	static const char *f="0123456789ABCDEF";
 
 	ret= &(bufs[bnum++][0]);
 	bnum%=10;

testsuite/testutils.c

@@ -1084,7 +1084,7 @@ test_dsa_key(struct dsa_public_key *pub,
   ASSERT(0 == mpz_cmp(t, pub->y));
 
   mpz_clear(t);
-};
+}
 
 #endif /* WITH_HOGWEED */