smb_addmsg() now does the msg.idx initialization for us.

src/sbbs3/mailsrvr.c

@@ -2224,7 +2224,6 @@ static void smtp_thread(void* arg)
 								,socket, startup->dnsbl_tag);
 						}
 						smb_hfield_str(&msg, SUBJECT, p);
-						msg.idx.subj=smb_subject_crc(p);
 						continue;
 					}
 					if(!strnicmp(buf, "FROM:", 5)
@@ -2317,11 +2316,8 @@ static void smtp_thread(void* arg)
 				smb_hfield_str(&msg, SENDER, sender);
 				smb_hfield(&msg, SENDERNETTYPE, sizeof(nettype), &nettype);
 				smb_hfield_str(&msg, SENDERNETADDR, sender_addr);
-				if(msg.idx.subj==0) {
-					p="";
-					smb_hfield(&msg, SUBJECT, 0, p);
-					msg.idx.subj=smb_subject_crc(p);
-				}
+				if(msg.subj==NULL)
+					smb_hfield(&msg, SUBJECT, 0, NULL);
 
 				length=filelength(fileno(msgtxt))-ftell(msgtxt);