if2ip: fix compiler warning in ISO C90 mode

remote_scope_id is only used when both HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
and ENABLE_IPV6 are defined instead of only one of them.

diff --git a/lib/if2ip.c b/lib/if2ip.c
index 4de81be60e099736ce4a333291df5021e0fecc21..3e74cc68761464f3337005611f4e26ca192bf7fd 100644 (file)
--- a/lib/if2ip.c
+++ b/lib/if2ip.c
@@ -121,11 +121,11 @@ if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
 
 #ifndef ENABLE_IPV6
   (void) remote_scope;
-
-#ifndef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
-  (void) remote_scope_id;
 #endif
 
+#if !defined(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID) || \
+    !defined(ENABLE_IPV6)
+  (void) remote_scope_id;
 #endif
 
   if(getifaddrs(&head) >= 0) {