Clean up trailing whitespace in the kernel headers.

And fix the scripts so they stop letting trailing whitespace through.

Change-Id: Ie109fbe1f63321e565ba0fa60fee8e9cf3a61cfc
diff --git a/libc/kernel/common/linux/sunrpc/debug.h b/libc/kernel/common/linux/sunrpc/debug.h
index 4c46190..e7458ea 100644
--- a/libc/kernel/common/linux/sunrpc/debug.h
+++ b/libc/kernel/common/linux/sunrpc/debug.h
@@ -34,7 +34,7 @@
 #define RPCDBG_MISC 0x0400
 #define RPCDBG_CACHE 0x0800
 #define RPCDBG_ALL 0x7fff
-#define CTL_SUNRPC 7249  
+#define CTL_SUNRPC 7249
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum {
  CTL_RPCDEBUG = 1,