Update LuaJIT

Xottab-DUTY · Xottab-DUTY · commit 562c93f591af · 2017-11-04T14:12:42.000+05:00
diff --git a/Externals/LuaJIT b/Externals/LuaJIT
@@ -1 +1 @@
-Subproject commit cc6b122d1f826644955be7522e524f68e81487d1
+Subproject commit 71b855969b344dd53f1478004b97e6c6daf7f5a9
