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/resource.h b/libc/kernel/common/linux/resource.h
index 3b2941f..2b2ed97 100644
--- a/libc/kernel/common/linux/resource.h
+++ b/libc/kernel/common/linux/resource.h
@@ -23,7 +23,7 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RUSAGE_SELF 0
 #define RUSAGE_CHILDREN (-1)
-#define RUSAGE_BOTH (-2)  
+#define RUSAGE_BOTH (-2)
 struct rusage {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct timeval ru_utime;