Added missing source file to CMakeLists.txt.
diff --git a/src/test_lib_json/CMakeLists.txt b/src/test_lib_json/CMakeLists.txt
index 563f713..7fb5602 100644
--- a/src/test_lib_json/CMakeLists.txt
+++ b/src/test_lib_json/CMakeLists.txt
@@ -5,6 +5,7 @@
 
 ADD_EXECUTABLE( jsoncpp_test 
                 jsontest.cpp
+                jsontest.h
                 main.cpp
                 )