Fix underlinkage of python binding

Author: jon-turney

bindings/python/CMakeLists.txt

@@ -39,7 +39,7 @@ INCLUDE_DIRECTORIES (${PYTHON_INCLUDE_PATH})
 
 ADD_LIBRARY (bindings_python MODULE solv_python.c)
 SET_TARGET_PROPERTIES (bindings_python PROPERTIES PREFIX "" OUTPUT_NAME "_solv")
-TARGET_LINK_LIBRARIES (bindings_python libsolvext libsolv ${SYSTEM_LIBRARIES})
+TARGET_LINK_LIBRARIES (bindings_python libsolvext libsolv ${PYTHON_LIBRARIES} ${SYSTEM_LIBRARIES})
 
 INSTALL (TARGETS bindings_python LIBRARY DESTINATION ${PYTHON_INSTALL_DIR})
 INSTALL (FILES ${CMAKE_CURRENT_BINARY_DIR}/solv.py DESTINATION ${PYTHON_INSTALL_DIR})