luajit: bump to 2.0.1727618617 (koreader#1957)

LuaJIT/LuaJIT@87ae18a...97813fb

Author: benoit-pierre

thirdparty/luajit/CMakeLists.txt

@@ -99,7 +99,7 @@ endif()
 append_tree_install_commands(INSTALL_CMD src/jit jit)
 
 external_project(
-    DOWNLOAD GIT 87ae18af97fd4de790bb6c476b212e047689cc93
+    DOWNLOAD GIT 97813fb924edf822455f91a5fbbdfdb349e5984f
     https://github.com/LuaJIT/LuaJIT
     PATCH_FILES ${PATCH_FILES}
     PATCH_COMMAND ${PATCH_CMD}