bit32 should always be require(), regardless of arch

too bad we weren't clearing it from _G on boot, else we would have seen this bug
i'm choosing to NOT clear in from _G on boot .. for now ..

src/main/resources/assets/opencomputers/loot/openos/lib/uuid.lua

@@ -1,3 +1,4 @@
+local bit32 = require("bit32")
 local uuid = {}
 
 function uuid.next()
@@ -11,7 +12,7 @@ function uuid.next()
     if result:len() > 0 then
       result = result .. "-"
     end
-    for i = 1,set do
+    for _ = 1,set do
       local byte = math.random(0, 255)
       if pos == 6 then
         byte = bit32.bor(bit32.band(byte, 0x0F), 0x40)