fix RPATH

Author: nim65s

python/CMakeLists.txt

@@ -29,7 +29,7 @@ set(${PY_NAME}_PYTHON mim_solvers/__init__.py)
 SET(PYLIB_INSTALL_DIR ${PYTHON_SITELIB}/mim_solvers)
 IF(UNIX)
   GET_RELATIVE_RPATH(${PYLIB_INSTALL_DIR} PYLIB_RPATH)
-  SET_TARGET_PROPERTIES(${${PY_NAME}_pywrap} PROPERTIES INSTALL_RPATH ${PYLIB_RPATH})
+  SET_TARGET_PROPERTIES(${PY_NAME}_pywrap PROPERTIES INSTALL_RPATH ${PYLIB_RPATH})
 ENDIF()
 
 install(TARGETS ${PY_NAME}_pywrap LIBRARY DESTINATION ${PYLIB_INSTALL_DIR})