- bugfix, using unsgned int for ifdbase

src/risk_analyzer/lst_offset_mappings.c

@@ -54,7 +54,7 @@ mem_map_t * scan_mem_map(ctiff_t * ctif) {
   uint16 ifdcount = get_ifd0_count( ctif); /*  how many tags */
 
   add_mem_entry( &memmap, ifd, 2, mt_ifd); /* count of tags in ifd */
-  int ifdbase=2+ifd;
+  unsigned int ifdbase=2+ifd;
   /* iterate through IFD0 entries */
   uint16 tagidx;
   for (tagidx = 0; tagidx< ifdcount; tagidx++) {