$NetBSD: patch-ao,v 1.5 2024/12/09 14:07:09 ryoon Exp $

- use fgetc correctly
- fix uninitialized variable detected by gcc5

--- src/runtime/kernel/boot.c.orig	2024-10-25 16:47:18.000000000 +0000
+++ src/runtime/kernel/boot.c
@@ -138,7 +138,7 @@ PVT ml_val_t BuildFileList (ml_state_t *
     ml_val_t    fileList;
 # define SIZE_BUF_LEN   128     /* this should be plenty for two numbers */
     char        sizeBuf[SIZE_BUF_LEN];
-    char        c;
+    int         c;
 
     numFiles = 0;
 
@@ -188,6 +188,9 @@ PVT ml_val_t BuildFileList (ml_state_t *
         }
         fclose (listF);
     }
+    else {
+        *mbplp = 0;
+    }
 
   /* create the in-heap list */
     for (fileList = LIST_nil, i = numFiles;  --i >= 0; ) {