Small general cleanup (#1644)

* m2ctx.py

* check warnings

* vimode includes

* bgcheck includes

* padmgr includes

* sprintf

* z_std_dma

* sys_ucode

* z64voice

* z64lib

* z64effect_ss

* segment_symbols.h

* padutils

* main

* stdarg.h

* fault

* bzero

* undefined_syms

* z64rumble

include/z64lib.h

@@ -3,6 +3,8 @@
 
 #include "ultra64.h"
 
+#include "stdint.h"
+
 #include "color.h"
 #include "z64math.h"