modify library/memory_buffer_alloc.c, benchmark.c and the tests main code to use polarssl_exit

programs/test/benchmark.c

@@ -33,6 +33,7 @@
 #define polarssl_exit       exit
 #define polarssl_printf     printf
 #define polarssl_snprintf   snprintf
+#define polarssl_exit       exit
 #endif
 
 #if defined(POLARSSL_TIMING_C)

tests/suites/main_test.function

@@ -3,6 +3,7 @@
 #if defined(POLARSSL_PLATFORM_C)
 #include "polarssl/platform.h"
 #else
+#include <stdio.h>
 #define polarssl_exit       exit
 #define polarssl_free       free
 #define polarssl_malloc     malloc