bignum_mod: Fixed code-style

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
diff --git a/library/bignum_mod.c b/library/bignum_mod.c
index ccc5c3b..70bb584 100644
--- a/library/bignum_mod.c
+++ b/library/bignum_mod.c
@@ -137,9 +137,9 @@
 }
 
 static inline void standard_modulus_setup(mbedtls_mpi_mod_modulus *N,
-                                         const mbedtls_mpi_uint *p,
-                                         size_t p_limbs,
-                                         mbedtls_mpi_mod_rep_selector int_rep)
+                                          const mbedtls_mpi_uint *p,
+                                          size_t p_limbs,
+                                          mbedtls_mpi_mod_rep_selector int_rep)
 {
     N->p = p;
     N->limbs = p_limbs;
@@ -169,7 +169,7 @@
                                          mbedtls_mpi_opt_red_struct *ored)
 {
     standard_modulus_setup(N, p, p_limbs, MBEDTLS_MPI_MOD_REP_OPT_RED);
-    N->rep.ored =ored ;
+    N->rep.ored = ored;
     return 0;
 }