Restore backward compatibility with MSVC < 2010 (broken by r1541)

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1543 632fc199-4ca6-4c93-a231-07263d6284db

jchuff.c

@@ -21,7 +21,9 @@
 #include "jpeglib.h"
 #include "jchuff.h"             /* Declarations shared with jcphuff.c */
 #include <limits.h>
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 
 /*
  * NOTE: If USE_CLZ_INTRINSIC is defined, then clz/bsr instructions will be

jconfig.h.in

@@ -32,6 +32,9 @@
 /* Define to 1 if you have the <stdlib.h> header file. */
 #undef HAVE_STDLIB_H
 
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
 /* Define to 1 if the system has the type `unsigned char'. */
 #undef HAVE_UNSIGNED_CHAR
 

jdhuff.c

@@ -22,7 +22,9 @@
 #include "jdhuff.h"             /* Declarations shared with jdphuff.c */
 #include "jpegcomp.h"
 #include "jstdhuff.c"
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
+#endif
 
 
 /*