rm unused variables

src/frontend/inpcom.c

@@ -7164,8 +7164,6 @@ pspice_compat(struct card *oldcard)
     q3 1 2 3 4 bjtmod 1.45 --> q2 1 2 3 4 bjtmod area=1.45
     */
     for (card = newcard; card; card = card->nextcard) {
-        static struct card *subcktline = NULL;
-        static int nesting = 0;
         char *cut_line = card->line;
         if (*cut_line == '*')
             continue;

src/frontend/numparam/xpressn.c

@@ -239,7 +239,6 @@ void
 initdico(dico_t *dico)
 {
     int asize = 10;           /* default allocation depth of the synbol stack */
-    COMPATMODE_T compat_mode;
 
     dico->srcline = -1;
     dico->errcount = 0;

src/frontend/outitf.c

@@ -90,7 +90,9 @@ static bool shouldstop = FALSE; /* Tell simulator to stop next time it asks. */
 static bool interpolated = FALSE;
 static double *valueold, *valuenew;
 
+#ifdef SHARED_MODULE
 static bool savenone = FALSE;
+#endif
 
 /* The two "begin plot" routines share all their internals... */