Don’t try to build with SSLv2 when it is not available.
The patch originally from http://stackoverflow.com/a/
11072709/164233
Fixes #30
Origin: https://gitlab.com/m2crypto/m2crypto/commit/
ac01b38302474920288c1a9eb63fd35fa8d1db5b
Change-Id: I636400bb232c54854592db25d5d5a5aeea96a25d
Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>