adding include of openssl/err.h to fix errors when NO_SSL_DL is defined:
mongoose.c:4680:23: error: ‘ERR_get_error’ was not declared in this scope
mongoose.c:4681:52: error: ‘ERR_error_string’ was not declared in this scope
Merge pull request #206 from bick4ord/master

adding include of openssl/err.h to fix errors when NO_SSL_DL is defined: