Since the group is unloaded for all curves, it is better to initialize the group also for all curves.
Since the group is unloaded for all curves, it is better to initialize the group also for all curves.

Signed-off-by: Pol Henarejos <c57b3b4cad9aa1c7ecf0bc48ad4caad6c2bc1aa7@cttc.es>

Mbed-TLS/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls