e_padlock.c: fix typo (missing #endif) and switch to __builtin_alloca (with introduction of 64-bit support alloca must be  declared and there is no standard way of doing that, switching to __bultin_alloca is considered appropriate because code explicitly targets gcc anyway).
e_padlock.c: fix typo (missing #endif) and switch to __builtin_alloca
(with introduction of 64-bit support alloca must be  declared and there
is no standard way of doing that, switching to __bultin_alloca is
considered appropriate because code explicitly targets gcc anyway).

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl