Update to NSPR 4.10.4.

nspr/pr/src/misc/prnetdb.c

Index: nspr/pr/src/misc/prnetdb.c
===================================================================
--- nspr/pr/src/misc/prnetdb.c	(revision 257452)
+++ nspr/pr/src/misc/prnetdb.c	(working copy)
@@ -2228,10 +2228,6 @@
 #if !defined(_PR_HAVE_GETADDRINFO)
     return pr_StringToNetAddrFB(string, addr);
 #else
-#if defined(_PR_INET6_PROBE)
-    if (!_pr_ipv6_is_present())
-        return pr_StringToNetAddrFB(string, addr);
-#endif
     /*
      * getaddrinfo with AI_NUMERICHOST is much slower than pr_inet_aton on some
      * platforms, such as Mac OS X (bug 404399), Linux glibc 2.10 (bug 344809),
@@ -2241,6 +2237,11 @@
     if (!strchr(string, '%'))
         return pr_StringToNetAddrFB(string, addr);
 
+#if defined(_PR_INET6_PROBE)
+    if (!_pr_ipv6_is_present())
+        return pr_StringToNetAddrFB(string, addr);
+#endif
+
     return pr_StringToNetAddrGAI(string, addr);
 #endif
 }