Enable potential calls to tprint() for debugging

src/frontend/inp.c

@@ -60,6 +60,7 @@ static char *upper(register char *string);
 static void rem_unused_mos_models(struct card* deck);
 
 extern void com_optran(wordlist * wl);
+extern void tprint(struct card *deck);
 
 
 //void inp_source_recent(void);

src/frontend/subckt.c

@@ -77,6 +77,7 @@ Modified: 2000 AlansFixes
 
 extern void line_free_x(struct card *deck, bool recurse);
 extern int get_number_terminals(char* c);
+extern void tprint(struct card* deck);
 
 #define line_free(line, flag)                   \
     do {                                        \