inp.c, inp_savecurrents(), remove a memory leak

src/frontend/inp.c

@@ -1583,7 +1583,7 @@ static void inp_savecurrents(struct line *deck, struct line *options, wordlist *
 {
     struct line *tmp_deck, *tmp_line;
     char beg;
-    char *devname, *devline, *newline;
+    char *devname = NULL, *devline, *newline;
     bool goon = FALSE, havesave = FALSE;
     wordlist *tmpword;
 
@@ -1686,6 +1686,7 @@ static void inp_savecurrents(struct line *deck, struct line *options, wordlist *
            default:
                ;
        }
+       tfree(devname);
     }
     while((*wl)->wl_prev)
         (*wl) = (*wl)->wl_prev;