silence complaining compiler

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9743 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/applications/mod_voicemail/mod_voicemail.c b/src/mod/applications/mod_voicemail/mod_voicemail.c
index 5f5335e696d76fde9ccdc01ac67b6d514eba875a..0e3f597e1fbc5ce2837524f7464221e4a486af5f 100644 (file)
--- a/src/mod/applications/mod_voicemail/mod_voicemail.c
+++ b/src/mod/applications/mod_voicemail/mod_voicemail.c
@@ -2225,7 +2225,7 @@ static switch_status_t deliver_vm(vm_profile_t *profile,
                
                if(!switch_strlen_zero(vm_timezone)) {
                        char tz_date[80] = "";
-                       if ((switch_strftime_tz(vm_timezone, profile->date_fmt, tz_date, sizeof(tz_date)) == SWITCH_STATUS_SUCCESS) && !switch_strlen_zero(tz_date)) {
+                       if ((switch_strftime_tz(vm_timezone, profile->date_fmt, tz_date, sizeof(tz_date)) == SWITCH_STATUS_SUCCESS) && !switch_strlen_zero_buf(tz_date)) {
                                switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_time", tz_date);
                        } else {
                                switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "voicemail_time", date);