Backup and restore the CMAKE_MODULE_PATH.

So we don't permanently manipulate it.

Signed-off-by: Chris Lalancette <[email protected]>

cmake/urdfdom-config.cmake.in

@@ -5,6 +5,7 @@ if (@PKG_NAME@_CONFIG_INCLUDED)
 endif()
 set(@PKG_NAME@_CONFIG_INCLUDED TRUE)
 
+set(CMAKE_MODULE_PATH_BACKUP_URDFDOM ${CMAKE_MODULE_PATH})
 list(APPEND CMAKE_MODULE_PATH "${@PROJECT_NAME@_DIR}")
 
 set(@PKG_NAME@_INCLUDE_DIRS "${@PROJECT_NAME@_DIR}/@RELATIVE_PATH_CMAKE_DIR_TO_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@")
@@ -46,3 +47,5 @@ endforeach()
 foreach(exp @PKG_EXPORTS@)
   include(${@PROJECT_NAME@_DIR}/${exp}Export.cmake)
 endforeach()
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH_BACKUP_URDFDOM})