From: Pasi Kallinen <paxed@alt.org>
Date: Mon, 20 Jun 2016 10:21:22 +0000 (+0300)
Subject: Fix compiler warning
X-Git-Tag: NetHack-3.6.1_RC01~661
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d91d445fc633adc34d300d03e8d9c479466326e0;p=nethack

Fix compiler warning
---

diff --git a/src/mail.c b/src/mail.c
index 82c7c0925..946f81634 100644
--- a/src/mail.c
+++ b/src/mail.c
@@ -91,7 +91,7 @@ void
 getmailstatus()
 {
     char *emailbox;
-    if (emailbox = nh_getenv("MAIL")) {
+    if ((emailbox = nh_getenv("MAIL")) != 0) {
         mailbox = (char *) alloc((unsigned) strlen(emailbox));
         Strcpy(mailbox, emailbox);
     }