Fix formatting in various code to match spacing from coding style
diff --git a/library/ecdh.c b/library/ecdh.c
index 738d99f..b93d82e 100644
--- a/library/ecdh.c
+++ b/library/ecdh.c
@@ -101,13 +101,13 @@
         return;
 
     ecp_group_free( &ctx->grp );
-    mpi_free      ( &ctx->d   );
     ecp_point_free( &ctx->Q   );
     ecp_point_free( &ctx->Qp  );
-    mpi_free      ( &ctx->z   );
     ecp_point_free( &ctx->Vi  );
     ecp_point_free( &ctx->Vf  );
-    mpi_free      ( &ctx->_d  );
+    mpi_free( &ctx->d  );
+    mpi_free( &ctx->z  );
+    mpi_free( &ctx->_d );
 }
 
 /*