Apply the semantic patch rm-malloc-cast.cocci.

    for dir in library programs; do
        spatch --sp-file scripts/rm-malloc-cast.cocci --dir $dir \
        --in-place;
    done
diff --git a/library/ecp.c b/library/ecp.c
index aca3a2d..7c4d6e5 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -812,7 +812,7 @@
     if( t_len < 2 )
         return( ecp_normalize_jac( grp, *T ) );
 
-    if( ( c = (mpi *) polarssl_malloc( t_len * sizeof( mpi ) ) ) == NULL )
+    if( ( c = polarssl_malloc( t_len * sizeof( mpi ) ) ) == NULL )
         return( POLARSSL_ERR_ECP_MALLOC_FAILED );
 
     mpi_init( &u ); mpi_init( &Zi ); mpi_init( &ZZi );
@@ -1415,7 +1415,7 @@
 
     if( T == NULL )
     {
-        T = (ecp_point *) polarssl_malloc( pre_len * sizeof( ecp_point ) );
+        T = polarssl_malloc( pre_len * sizeof( ecp_point ) );
         if( T == NULL )
         {
             ret = POLARSSL_ERR_ECP_MALLOC_FAILED;