Style: fix trailing spaces
diff --git a/programs/pkey/rsa_encrypt.c b/programs/pkey/rsa_encrypt.c
index bbf7678..e73ad2f 100644
--- a/programs/pkey/rsa_encrypt.c
+++ b/programs/pkey/rsa_encrypt.c
@@ -105,7 +105,7 @@
     }
 
     rsa_init( &rsa, RSA_PKCS_V15, 0 );
-    
+
     if( ( ret = mpi_read_file( &rsa.N, 16, f ) ) != 0 ||
         ( ret = mpi_read_file( &rsa.E, 16, f ) ) != 0 )
     {