Update CMakeLists.txt - libraries go in libdir, not includedir.

CMakeLists.txt

@@ -136,7 +136,7 @@ export(EXPORT "${PROJECT_NAME}Targets"
 )
 
 install(TARGETS ${PROJECT_NAME}
-  DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}"
   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
   INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )