Update libjpeg-turbo to r722.

bmp.c

 /*
  * Copyright (C)2011 D. R. Commander.  All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * - Redistributions of source code must retain the above copyright notice,
  *   this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright notice,
  *   this list of conditions and the following disclaimer in the documentation
@@ skipping 89 matching lines @@
 
 int loadbmp(char *filename, unsigned char **buf, int *w, int *h, 
         int dstpf, int bottomup)
 {
         int retval=0, dstps, srcpf, tempc;
         struct jpeg_compress_struct cinfo;
         struct my_error_mgr jerr;
         cjpeg_source_ptr src;
         FILE *file=NULL;
 
+        memset(&cinfo, 0, sizeof(struct jpeg_compress_struct));
+
         if(!filename || !buf || !w || !h || dstpf<0 || dstpf>=TJ_NUMPF)
                 _throw("loadbmp(): Invalid argument");
 
         if((file=fopen(filename, "rb"))==NULL)
                 _throwunix("loadbmp(): Cannot open input file");
 
         cinfo.err=jpeg_std_error(&jerr.pub);
         jerr.pub.error_exit=my_error_exit;
         jerr.pub.output_message=my_output_message;
 
@@ skipping 62 matching lines @@
 int savebmp(char *filename, unsigned char *buf, int w, int h, int srcpf,
         int bottomup)
 {
         int retval=0, srcps, dstpf;
         struct jpeg_decompress_struct dinfo;
         struct my_error_mgr jerr;
         djpeg_dest_ptr dst;
         FILE *file=NULL;
         char *ptr=NULL;
 
+        memset(&dinfo, 0, sizeof(struct jpeg_decompress_struct));
+
         if(!filename || !buf || w<1 || h<1 || srcpf<0 || srcpf>=TJ_NUMPF)
                 _throw("savebmp(): Invalid argument");
 
         if((file=fopen(filename, "wb"))==NULL)
                 _throwunix("savebmp(): Cannot open output file");
 
         dinfo.err=jpeg_std_error(&jerr.pub);
         jerr.pub.error_exit=my_error_exit;
         jerr.pub.output_message=my_output_message;
 
@@ skipping 59 matching lines @@
         bailout:
         jpeg_destroy_decompress(&dinfo);
         if(file) fclose(file);
         return retval;
 }
 
 const char *bmpgeterr(void)
 {
         return errStr;
 }