libssl is required by wsman_client_transport if ENABLE_EVENTING_SUPPORT enabled.

Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com>

diff -Nurp openwsman-2.4.12.orig/src/lib/CMakeLists.txt openwsman-2.4.12/src/lib/CMakeLists.txt
--- openwsman-2.4.12.orig/src/lib/CMakeLists.txt	2014-10-28 23:04:47.000000000 +0800
+++ openwsman-2.4.12/src/lib/CMakeLists.txt	2014-12-31 11:09:20.340428523 +0800
@@ -56,6 +56,9 @@ TARGET_LINK_LIBRARIES( ${WSMAN_CLIENT_TR
 SET_TARGET_PROPERTIES( ${WSMAN_CLIENT_TRANSPORT_PKG} PROPERTIES VERSION 1.0.0 SOVERSION 1)
 INSTALL(TARGETS ${WSMAN_CLIENT_TRANSPORT_PKG} DESTINATION ${LIB_INSTALL_DIR})
 
+IF( ENABLE_EVENTING_SUPPORT )
+TARGET_LINK_LIBRARIES( ${WSMAN_CLIENT_TRANSPORT_PKG} ${OPENSSL_LIBRARIES} )
+ENDIF( ENABLE_EVENTING_SUPPORT )
 
 ############### wsman_client ###############