Use text.dat "Emailing" line instead of hard-coded text.

src/sbbs3/bulkmail.cpp

@@ -210,7 +210,7 @@ int sbbs_t::bulkmailhdr(smb_t* smb, smbmsg_t* msg, uint usernum)
 		return(j);
 
 	lncntr=0;
-	bprintf("Bulk-mailed %s #%d\r\n",user.alias,usernum);
+	bprintf(text[Emailing],user.alias,usernum);
 	sprintf(str,"%s bulk-mailed %s #%d"
 		,useron.alias,user.alias,usernum);
 	logline("E+",str);