crypto: check for SSL_COMP_get_compression_methods()
crypto: check for SSL_COMP_get_compression_methods()

Function was named SSL_COMP_get_compression_method() (singular)
in OpenSSL 0.9.7 and older.

Fixes #1242.

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node