silence win64 possible loss of data

(cherry picked from commit ff74829d81a947c43dfd6e10db0b419812fd8189)

diff --git a/bin/named/server.c b/bin/named/server.c
index 59ca10f71c393bbaac6fc4c1db460176273b0c92..721aac57251ecebe32bb37daa35203831617782f 100644 (file)
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -8116,7 +8116,7 @@ newzone_cfgctx_destroy(void **cfgp) {
 
 static isc_result_t
 putstr(isc_buffer_t *b, const char *str) {
-       size_t l = strlen(str);
+       unsigned int l = strlen(str);
 
        /*
         * Use >= to leave space for NUL termination.