allow Multiplier for current source in subckts

src/frontend/inpcom.c

@@ -2658,9 +2658,8 @@ inp_fix_subckt_multiplier(struct line *subckt_card,
     for (card = subckt_card->li_next;
          card != NULL && !ciprefix(".ends", card->li_line);
          card = card->li_next) {
-        /* no 'm' for B, I, V or comment line */
-        if ((*(card->li_line) == '*') || (*(card->li_line) == 'b') || (*(card->li_line) == 'v')
-             || (*(card->li_line) == 'i'))
+        /* no 'm' for B, V or comment line */
+        if ((*(card->li_line) == '*') || (*(card->li_line) == 'b') || (*(card->li_line) == 'v'))
             continue;
         /* no 'm' for model cards */
         if (ciprefix(".model", card->li_line))