Adapt ecp_group_free() to static constants
diff --git a/include/polarssl/ecp.h b/include/polarssl/ecp.h
index 2ab458a..ff1072e 100644
--- a/include/polarssl/ecp.h
+++ b/include/polarssl/ecp.h
@@ -136,7 +136,7 @@
mpi N; /*!< 1. the order of G, or 2. unused */
size_t pbits; /*!< number of bits in P */
size_t nbits; /*!< number of bits in 1. P, or 2. private keys */
- unsigned int h; /*!< unused */
+ unsigned int h; /*!< internal: 1 if the constants are static */
int (*modp)(mpi *); /*!< function for fast reduction mod P */
int (*t_pre)(ecp_point *, void *); /*!< unused */
int (*t_post)(ecp_point *, void *); /*!< unused */