remove bool shims in diffimg

Now that we build with C99, the existence of this support is guaranteed to be
supplied in stdbool.h.

diff --git a/contrib/diffimg/diffimg.c b/contrib/diffimg/diffimg.c
index 510b53c4991770e2f33a9a7d2ab9b72576cf1881..5b4d6acdce1f38ef893cf5a1a116fdd532196f01 100644 (file)
--- a/contrib/diffimg/diffimg.c
+++ b/contrib/diffimg/diffimg.c
@@ -33,20 +33,12 @@
 #define EX_DATAERR             65
 #define EX_NOINPUT             66
 #define EX_UNAVAILABLE 69
-#define bool int
-#define false 0
 #else
 #include <sysexits.h>
 #endif
 #include <gd.h>
 #include <stdbool.h>
 
-#define NOT(v) (!(v))
-#ifndef false
-#define false 0
-#define true NOT(false)
-#endif
-
 static char *pstopng="gs -dNOPAUSE -sDEVICE=pngalpha -sOutputFile=- -q -";
 
 static gdImagePtr imageLoad (char *filename)