correct python link flags

Author: chrehall68

binding/python/CMakeLists.txt

@@ -39,8 +39,7 @@ if(with_python_binding)
 
   # link library to kipr objects
   target_link_libraries(kipr_python PRIVATE ${KIPR_MODULES})
-  target_link_libraries(kipr_python PRIVATE ${KIPR_MODULE_OBJECTS})
-  set_target_properties(kipr_python PROPERTIES POSITION_INDEPENDENT_CODE ON)
+  target_link_libraries(kipr_python PRIVATE "-Wl,-Bsymbolic" ${KIPR_MODULE_OBJECTS})
 
   # according to swig specifications, the output library must be
   # named _kipr.so