Fix compile warning, MIN/MAX macros may already be defined by param.h

diff --git a/ext/gd/libgd/gdft.c b/ext/gd/libgd/gdft.c
index 620ff9c7a20a4a2d100e6ce96acfbd3b6784ea7c..75c23c7481e77eea40e7a575cc840a0418dba52b 100644 (file)
--- a/ext/gd/libgd/gdft.c
+++ b/ext/gd/libgd/gdft.c
@@ -86,8 +86,13 @@ gdImageStringFT (gdImage * im, int *brect, int fg, char *fontlist,
 #define TRUE !FALSE
 #endif
 
+#ifndef MAX
 #define MAX(a,b) ((a)>(b)?(a):(b))
+#endif
+
+#ifndef MIN
 #define MIN(a,b) ((a)<(b)?(a):(b))
+#endif
 
 typedef struct
 {