diff -urNp openpts-0.2.6-patched/src/tboot2iml.c openpts-0.2.6-current/src/tboot2iml.c
--- openpts-0.2.6-patched/src/tboot2iml.c	2012-07-23 16:30:12.381361421 -0400
+++ openpts-0.2.6-current/src/tboot2iml.c	2012-07-23 17:25:59.053945778 -0400
@@ -531,7 +531,7 @@ int sinit_acm_hash(char *filename, int s
 
 
 int sha1sum_unzip(char *filename, int *filesize, BYTE *digest) {
-    FILE *fp;
+    gzFile fp;
     char buf[2048];
     SHA_CTX sha_ctx;
     int len;
@@ -541,7 +541,7 @@ int sha1sum_unzip(char *filename, int *f
 
     /* open */
     fp = gzopen(filename, "rb");
-    if (fp == NULL) {
+    if (fp == Z_NULL) {
         LOG(LOG_ERR, "File %s does not exist\n", filename);
         return 0;
     }