Bug fix: Reading beyond array end for HFS+ production caused SIGSEGV with FreeBSD 11 CLANG -O2. Thanks ASX of GhostBSD.

libisofs/hfsplus_classes.c

@@ -422,6 +422,10 @@ static uint16_t class_page_data[] = {
   0x21, 0x230,
   0x22, 0x230,
   0x23, 0x230,
+  0x00,
+
+  /* End of list */
+  0x00
 };
 
 uint16_t *hfsplus_class_pages[256];