Fix Internet netmail settings key name: 'netmail_settings'

not just 'settings'

Fix issue 439. Thanks Nelgin!

src/sbbs3/scfglib1.c

@@ -560,7 +560,7 @@ BOOL read_msgs_cfg(scfg_t* cfg, char* error, size_t maxerrlen)
 	SAFECOPY(cfg->sys_inetaddr, iniGetString(section, NULL, "addr", "", value));
 	SAFECOPY(cfg->inetmail_sem, iniGetString(section, NULL, "netmail_sem", "", value));
 	SAFECOPY(cfg->smtpmail_sem, iniGetString(section, NULL, "smtp_sem", "", value));
-	cfg->inetmail_misc = iniGetUInteger(section, NULL, "settings", 0);
+	cfg->inetmail_misc = iniGetUInteger(section, NULL, "netmail_settings", 0);
 	cfg->inetmail_cost = iniGetUInt32(section, NULL, "cost", 0);
 
 	iniFreeStringList(ini);

src/sbbs3/scfgsave.c

@@ -501,7 +501,7 @@ BOOL write_msgs_cfg(scfg_t* cfg, int backup_level)
 		str_list_t section = strListInit();
 		iniSetString(&section, name, "addr", cfg->sys_inetaddr, NULL); /* Internet address */
 		iniSetString(&section, name, "netmail_sem", cfg->inetmail_sem, NULL);
-		iniSetHexInt(&section, name, "settings", cfg->inetmail_misc, NULL);
+		iniSetHexInt(&section, name, "netmail_settings", cfg->inetmail_misc, NULL);
 		iniSetUInt32(&section, name, "cost", cfg->inetmail_cost, NULL);
 		iniSetString(&section, name, "smtp_sem", cfg->smtpmail_sem, NULL);
 		strListMerge(&ini, section);