Get conditional priorities right

"or" has lower priority than "||" and works better to have Perl less
confused.
Reviewed-by: NRich Salz <rsalz@openssl.org>

Configure

@@ -1053,7 +1053,7 @@ if (!$no_asm) {
     $target{cpuid_asm_src}=$table{BASE}->{cpuid_asm_src} if ($config{processor} eq "386");
     $target{cpuid_asm_src}.=" uplink.c uplink-x86.s"
         if (grep { $_ eq "OPENSSL_USE_APPLINK"} @{$config{defines}}
-            || $config{cflags} =~ /(?:^|\s)-DOPENSSL_USE_APPLINK(?:\s|$)/);
+            or $config{cflags} =~ /(?:^|\s)-DOPENSSL_USE_APPLINK(?:\s|$)/);
 
     $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));