inpcom.c, cleanup inp_readall() #6/7, tautology `call_depth == 0'

src/frontend/inpcom.c

@@ -466,20 +466,18 @@ find_assignment(char *str)
 struct line *
 inp_readall(FILE *fp, char *dir_name, bool comfile, bool intfile)
 {
-    int call_depth = 0;
     struct line *cc;
 
     num_libraries = 0;
     inp_compat_mode = ngspice_compat_mode();
 
-    struct inp_read_t rv = inp_read(fp, call_depth, dir_name, comfile, intfile);
+    struct inp_read_t rv = inp_read(fp, 0, dir_name, comfile, intfile);
     cc = rv . cc;
 
     /* The following processing of an input file is not required for command files
        like spinit or .spiceinit, so return command files here. */
 
-
-    if (call_depth == 0 && !comfile && cc) {
+    if (!comfile && cc) {
 
         unsigned int no_braces; /* number of '{' */
         size_t max_line_length; /* max. line length in input deck */