Patch kindly borrowed from macports.org.

--- a/lib/jpeg.c	2011-10-14 15:46:10.000000000 -0500
+++ b/lib/jpeg.c	2014-08-06 20:15:51.000000000 -0500
@@ -5,6 +5,12 @@
 #include "../config.h"
 
 #ifdef HAVE_JPEGLIB
+#ifndef FALSE
+#define FALSE 0
+#endif
+#ifndef TRUE
+#define TRUE 1
+#endif
 #define HAVE_BOOLEAN
 #include <jpeglib.h>