Delete or rename MIN/MAX macros and defines

Include <sys/param.h> if necessary to get the MIN()/MAX() macros.

testsuites/samples/fileio/init.c

@@ -13,6 +13,7 @@
 
 #define CONFIGURE_INIT
 #include "system.h"
+#include <sys/param.h>
 #include <crypt.h>
 #include <stdio.h>
 #include <string.h>
@@ -214,10 +215,6 @@ fstab_t fs_table[] = {
   }
 };
 
-#ifndef MIN
-#define MIN(a,b) (((a) > (b)) ? (b) : (a))
-#endif
-
 #define USE_SHELL
 
 #ifdef USE_SHELL