lua: put LUAPATH in quotes to prevent weird error messages when it is unset

diff --git a/lua/CMakeLists.txt b/lua/CMakeLists.txt
index 6c22bfce6f3d84a343d435e76917109584d3eaa6..b4fa4d9e83c0f8ceeddb65265fb9802a6cc249b8 100644 (file)
--- a/lua/CMakeLists.txt
+++ b/lua/CMakeLists.txt
@@ -31,7 +31,7 @@ IF(NOT LUAPATH)
        )
 
        IF(BUILD_LUA)
-               IF(NOT ${LUA_CHECK_RES} EQUAL 0 OR ${LUAPATH} EQUAL "")
+               IF(NOT ${LUA_CHECK_RES} EQUAL 0 OR "${LUAPATH}" EQUAL "")
                        MESSAGE(SEND_ERROR "Lua was not found on your system")
                ENDIF()
        ENDIF()