Optimize CMakeLists.txt

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

src/CMakeLists.txt

@@ -96,6 +96,8 @@ if(UHTTP_USE_OPENSSL_CONFIG)
 message(STATUS "UHTTP_SSL_ENABLED: OpenSSL")
 elseif(UHTTP_USE_CYASSL_CONFIG)
 message(STATUS "UHTTP_SSL_ENABLED: CyaSSL")
+else()
+message(STATUS "UHTTP_SSL_ENABLED: None")
 endif()
 message(STATUS "DEBUG: ${UHTTP_DEBUG}")
 message("")