Remove unnecessary mark as unused #1098 (backport)
diff --git a/library/pkparse.c b/library/pkparse.c
index 26a8b70..a83bb01 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -1268,7 +1268,6 @@
         return( ret );
 #endif /* MBEDTLS_PKCS12_C || MBEDTLS_PKCS5_C */
 #else
-    ((void) ret);
     ((void) pwd);
     ((void) pwdlen);
 #endif /* MBEDTLS_PEM_PARSE_C */