Add RNG parameter to check_pair functions

- mbedtls_ecp_check_pub_priv() because it calls ecp_mul()
- mbedtls_pk_check_pair() because it calls the former

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/library/pk_wrap.h b/library/pk_wrap.h
index f7f938a..b2db637 100644
--- a/library/pk_wrap.h
+++ b/library/pk_wrap.h
@@ -85,7 +85,9 @@
                          void *p_rng );
 
     /** Check public-private key pair */
-    int (*check_pair_func)( const void *pub, const void *prv );
+    int (*check_pair_func)( const void *pub, const void *prv,
+                            int (*f_rng)(void *, unsigned char *, size_t),
+                            void *p_rng );
 
     /** Allocate a new context */
     void * (*ctx_alloc_func)( void );