Remove sourceinfo upon shared ngspice reset.

Remove memory leaks.

src/frontend/inpcom.c

@@ -1288,7 +1288,7 @@ static struct inp_read_t inp_read(FILE* fp, int call_depth, const char* dir_name
         add_to_sourcepath(sourcelineinfo, NULL);
     }
 
-    wl_append_word(&sourceinfo, &sourceinfo, sourcelineinfo);
+    sourceinfo = wl_cons(sourcelineinfo, sourceinfo);
 
     /* First read in all lines & put them in the struct cc */
     for (;;) {

src/sharedspice.c

@@ -352,6 +352,8 @@ static char* outstorage(char*, bool);
 static void printsend(void);
 #endif
 
+extern wordlist* sourceinfo;
+
 static int totalreset(void);
 extern void rem_controls(void);
 extern void destroy_wallace(void);
@@ -2464,6 +2466,10 @@ static int totalreset(void)
     wordlist all = { "all", NULL, NULL };
     wordlist star = { "*", NULL, NULL };
 
+    tfree(Infile_Path);
+    wl_free(sourceinfo);
+    sourceinfo = NULL;
+
     com_destroy(&all);
     com_unalias(&star);
     com_undefine(&star);
@@ -2480,7 +2486,6 @@ static int totalreset(void)
     rem_controls();
 
     while (ft_curckt) {
-        wl_delete(ft_curckt->ci_sourceinfo);
         com_remcirc(NULL);
     }