Fix for returning correct error code
diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index daf08a9..5cc190e 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -100,7 +100,6 @@
 
     if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "" ) ) != 0 )
     {
-        ret = 1;
         mbedtls_printf( " failed\n  ! Could not open '%s'\n", argv[1] );
         goto exit;
     }
@@ -134,7 +133,6 @@
 
     if( ( f = fopen( filename, "wb+" ) ) == NULL )
     {
-        ret = 1;
         mbedtls_printf( " failed\n  ! Could not create %s\n\n", filename );
         goto exit;
     }