Remove uses of FAR in jpeg code

Upstream libjpeg-trubo removed the (empty) FAR macro:

http://sourceforge.net/p/libjpeg-turbo/code/1312/

Adjust our code to not use the undefined FAR macro anymore.

diff --git a/src/share/native/sun/awt/image/jpeg/imageioJPEG.c b/src/share/native/sun/awt/image/jpeg/imageioJPEG.c

--- jdk8/jdk/src/share/native/sun/awt/image/jpeg/imageioJPEG.c

+++ jdk8/jdk/src/share/native/sun/awt/image/jpeg/imageioJPEG.c

@@ -1385,7 +1385,7 @@

     /* and fill it in */

     dst_ptr = icc_data;

     for (seq_no = first; seq_no < last; seq_no++) {

-        JOCTET FAR *src_ptr = icc_markers[seq_no]->data + ICC_OVERHEAD_LEN;

+        JOCTET *src_ptr = icc_markers[seq_no]->data + ICC_OVERHEAD_LEN;

         unsigned int length =

             icc_markers[seq_no]->data_length - ICC_OVERHEAD_LEN;

diff --git a/src/share/native/sun/awt/image/jpeg/jpegdecoder.c b/src/share/native/sun/awt/image/jpeg/jpegdecoder.c

--- jdk8/jdk/src/share/native/sun/awt/image/jpeg/jpegdecoder.c

+++ jdk8/jdk/src/share/native/sun/awt/image/jpeg/jpegdecoder.c

@@ -41,9 +41,8 @@

 #include "jni.h"

 #include "jni_util.h"

-/* undo "system_boolean" hack and undef FAR since we don't use it anyway */

+/* undo "system_boolean" hack since we don't use it anyway */

 #undef boolean

-#undef FAR

 #include <jpeglib.h>

 #include "jerror.h"