devices/asrc, remove memory leak

src/spicelib/devices/asrc/asrcdest.c

@@ -30,5 +30,9 @@ ASRCdestroy(GENmodel **inModel)
         mod = next_mod;
     }
 
+    FREE(asrc_vals);
+    FREE(asrc_derivs);
+    asrc_nvals = 0;
+
     *inModel = NULL;
 }

src/spicelib/devices/asrc/asrcset.c

@@ -127,11 +127,15 @@ ASRCunsetup(GENmodel *inModel, CKTcircuit *ckt)
     ASRCinstance *here;
 
     for (; model; model = model->ASRCnextModel)
-        for (here = model->ASRCinstances; here; here = here->ASRCnextInstance)
+        for (here = model->ASRCinstances; here; here = here->ASRCnextInstance) {
             if (here->ASRCbranch) {
                 CKTdltNNum(ckt, here->ASRCbranch);
                 here->ASRCbranch = 0;
             }
+            FREE(here->ASRCposptr);
+            FREE(here->ASRCvars);
+            FREE(here->ASRCacValues);
+        }
 
     return OK;
 }