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/mempolicy.h b/libc/kernel/common/linux/mempolicy.h
index d2ff923..0dfd6d4 100644
--- a/libc/kernel/common/linux/mempolicy.h
+++ b/libc/kernel/common/linux/mempolicy.h
@@ -26,11 +26,11 @@
 #define MPOL_INTERLEAVE 3
 #define MPOL_MAX MPOL_INTERLEAVE
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MPOL_F_NODE (1<<0)  
-#define MPOL_F_ADDR (1<<1)  
-#define MPOL_MF_STRICT (1<<0)  
-#define MPOL_MF_MOVE (1<<1)  
+#define MPOL_F_NODE (1<<0)
+#define MPOL_F_ADDR (1<<1)
+#define MPOL_MF_STRICT (1<<0)
+#define MPOL_MF_MOVE (1<<1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MPOL_MF_MOVE_ALL (1<<2)  
-#define MPOL_MF_INTERNAL (1<<3)  
+#define MPOL_MF_MOVE_ALL (1<<2)
+#define MPOL_MF_INTERNAL (1<<3)
 #endif