Add TODO comment for LE hackery.

src/sbbs3/smbutil.c

@@ -910,6 +910,7 @@ void packmsgs(ulong packable)
 		fseek(smb.sda_fp,0L,SEEK_SET);
 		for(l=m=0;l<length;l+=2) {
 			printf("\r%2lu%%  ",l ? (long)(100.0/((float)length/l)) : 0);
+			/* TODO: Only works on LE (size mismatch) */
 			i=0;
 			if(!fread(&i,2,1,smb.sda_fp))
 				break;