Fix typo in platform macro defines for examples
diff --git a/programs/random/gen_entropy.c b/programs/random/gen_entropy.c
index bca36e0..a1eb386 100644
--- a/programs/random/gen_entropy.c
+++ b/programs/random/gen_entropy.c
@@ -32,7 +32,7 @@
#include <stdlib.h>
#define mbedtls_fprintf fprintf
#define mbedtls_printf printf
-#define MBEDTLS_EXTI_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif /* MBEDTLS_PLATFORM_C */
diff --git a/programs/random/gen_random_ctr_drbg.c b/programs/random/gen_random_ctr_drbg.c
index 76d4092..5ade946 100644
--- a/programs/random/gen_random_ctr_drbg.c
+++ b/programs/random/gen_random_ctr_drbg.c
@@ -32,7 +32,7 @@
#include <stdlib.h>
#define mbedtls_fprintf fprintf
#define mbedtls_printf printf
-#define MBEDTLS_EXTI_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif /* MBEDTLS_PLATFORM_C */