fix warnings when building openssl with the following compiler options:

-Wmissing-prototypes -Wcomment -Wformat -Wimplicit -Wmain -Wmultichar
        -Wswitch -Wshadow -Wtrigraphs -Werror -Wchar-subscripts
        -Wstrict-prototypes -Wreturn-type -Wpointer-arith  -W -Wunused
        -Wno-unused-parameter -Wuninitialized

crypto/objects/obj_dat.pl

@@ -94,7 +94,7 @@ for ($i=0; $i<$n; $i++)
 	{
 	if (!defined($nid{$i}))
 		{
-		push(@out,"{NULL,NULL,NID_undef,0,NULL},\n");
+		push(@out,"{NULL,NULL,NID_undef,0,NULL,0},\n");
 		}
 	else
 		{
@@ -138,7 +138,7 @@ for ($i=0; $i<$n; $i++)
 			}
 		else
 			{
-			$out.="0,NULL";
+			$out.="0,NULL,0";
 			}
 		$out.="},\n";
 		push(@out,$out);