Bug fix for 64 bit HP-UX.

Submitted by: Karsten Spang <ks@bellesystems.com>

crypto/rsa/rsa_gen.c

@@ -95,7 +95,7 @@ RSA *RSA_generate_key(int bits, unsigned long e_value,
 	 * unsigned long can be larger */
 	for (i=0; i<sizeof(unsigned long)*8; i++)
 		{
-		if (e_value & (1<<i))
+		if (e_value & (1UL<<i))
 			BN_set_bit(rsa->e,i);
 		}
 #else