Fix shared lib build with new YAML_BUILD_SHARED_LIBS option (#737)
Fix shared lib build with new YAML_BUILD_SHARED_LIBS option (#737)


graehl/yaml-cpp,jbeder/yaml-cpp,dand-oss/yaml-cpp,graehl/yaml-cpp,jbeder/yaml-cpp,loot/yaml-cpp,jbeder/yaml-cpp,loot/yaml-cpp,dand-oss/yaml-cpp,WrinklyNinja/yaml-cpp,jbeder/yaml-cpp,WrinklyNinja/yaml-cpp,loot/yaml-cpp,graehl/yaml-cpp,dand-oss/yaml-cpp,dand-oss/yaml-cpp,graehl/yaml-cpp,graehl/yaml-cpp,WrinklyNinja/yaml-cpp,dand-oss/yaml-cpp,jbeder/yaml-cpp,loot/yaml-cpp,WrinklyNinja/yaml-cpp