fix warning under Xcode for iOS

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
index c4d96d2aa78fda166810e1204c5e6e80a8d25284..dd562f376ae5af20ddca107c4a1c105b4016cf52 100644 (file)
--- a/bin/dig/dighost.c
+++ b/bin/dig/dighost.c
@@ -1418,7 +1418,7 @@ dig_ednsoptname_t optnames[] = {
 void
 save_opt(dig_lookup_t *lookup, char *code, char *value) {
        isc_result_t result;
-       isc_uint32_t num;
+       isc_uint32_t num = 0;
        isc_buffer_t b;
        isc_boolean_t found = ISC_FALSE;
        unsigned int i;