Fix Windows build.

third_party/libjpeg_turbo/jmorecfg.h

 /*
  * jmorecfg.h
  *
  * Copyright (C) 1991-1997, Thomas G. Lane.
  * Copyright (C) 2009, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
  * This file contains additional configuration options that customize the
  * JPEG software for special applications or support machine-dependent
@@ skipping 135 matching lines @@
 
 #ifdef HAVE_UNSIGNED_SHORT
 typedef unsigned short UINT16;
 #else /* not HAVE_UNSIGNED_SHORT */
 typedef unsigned int UINT16;
 #endif /* HAVE_UNSIGNED_SHORT */
 
 /* INT16 must hold at least the values -32768..32767. */
 
 #ifndef XMD_H                   /* X11/xmd.h correctly defines INT16 */
+#ifndef _BASETSD_H_             /* basetsd.h correctly defines INT32 */
 typedef short INT16;
 #endif
+#endif
 
 /* INT32 must hold at least signed 32-bit values. */
 
 #ifndef XMD_H                   /* X11/xmd.h correctly defines INT32 */
+#ifndef _BASETSD_H_             /* basetsd.h correctly defines INT32 */
 typedef long INT32;
 #endif
+#endif
 
 /* Datatype used for image dimensions.  The JPEG standard only supports
  * images up to 64K*64K due to 16-bit fields in SOF markers.  Therefore
  * "unsigned int" is sufficient on all machines.  However, if you need to
  * handle larger images and you don't mind deviating from the spec, you
  * can change this datatype.
  */
 
 typedef unsigned int JDIMENSION;
 
@@ skipping 29 matching lines @@
 #define JMETHOD(type,methodname,arglist)  type (*methodname) ()
 #endif
 
 
 /* Here is the pseudo-keyword for declaring pointers that must be "far"
  * on 80x86 machines.  Most of the specialized coding for 80x86 is handled
  * by just saying "FAR *" where such a pointer is needed.  In a few places
  * explicit coding is needed; see uses of the NEED_FAR_POINTERS symbol.
  */
 
+#ifndef FAR
 #ifdef NEED_FAR_POINTERS
 #define FAR  far
 #else
 #define FAR
 #endif
+#endif
 
 
 /*
  * On a few systems, type boolean and/or its values FALSE, TRUE may appear
  * in standard header files.  Or you may have conflicts with application-
  * specific header files that you want to include together with these files.
  * Defining HAVE_BOOLEAN before including jpeglib.h should make it work.
  */
 
 #ifndef HAVE_BOOLEAN
@@ skipping 129 matching lines @@
 
 #ifndef FAST_FLOAT
 #ifdef HAVE_PROTOTYPES
 #define FAST_FLOAT  float
 #else
 #define FAST_FLOAT  double
 #endif
 #endif
 
 #endif /* JPEG_INTERNAL_OPTIONS */