Add a cast in ForwardLookup() to fix a gcc warning on Cygwin

This fixes the following warning message of 4.5.3 on Cygwin:

 resolve.c: In function ‘ForwardLookup’:
 resolve.c:273:21: warning: comparison between signed and
                   unsigned integer expressions

diff --git a/src/ngircd/resolve.c b/src/ngircd/resolve.c
index c7e600381e81b571ded2cd343887529418e7d59c..3f99b3a90178ede568e5212352cf78839db6a5f4 100644 (file)
--- a/src/ngircd/resolve.c
+++ b/src/ngircd/resolve.c
@@ -270,7 +270,7 @@ ForwardLookup(const char *hostname, array *IpAddr, int af)
        for (a = ai_results; a != NULL; a = a->ai_next) {
                assert(a->ai_addrlen <= sizeof(addr));
 
-               if (a->ai_addrlen > sizeof(addr))
+               if ((size_t)a->ai_addrlen > sizeof(addr))
                        continue;
 
                memcpy(&addr, a->ai_addr, a->ai_addrlen);