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/mroute6.h b/libc/kernel/common/linux/mroute6.h
index 3d701da..f234a62 100644
--- a/libc/kernel/common/linux/mroute6.h
+++ b/libc/kernel/common/linux/mroute6.h
@@ -22,19 +22,19 @@
 #include <linux/sockios.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MRT6_BASE 200
-#define MRT6_INIT (MRT6_BASE)  
-#define MRT6_DONE (MRT6_BASE+1)  
-#define MRT6_ADD_MIF (MRT6_BASE+2)  
+#define MRT6_INIT (MRT6_BASE)
+#define MRT6_DONE (MRT6_BASE+1)
+#define MRT6_ADD_MIF (MRT6_BASE+2)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MRT6_DEL_MIF (MRT6_BASE+3)  
-#define MRT6_ADD_MFC (MRT6_BASE+4)  
-#define MRT6_DEL_MFC (MRT6_BASE+5)  
-#define MRT6_VERSION (MRT6_BASE+6)  
+#define MRT6_DEL_MIF (MRT6_BASE+3)
+#define MRT6_ADD_MFC (MRT6_BASE+4)
+#define MRT6_DEL_MFC (MRT6_BASE+5)
+#define MRT6_VERSION (MRT6_BASE+6)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MRT6_ASSERT (MRT6_BASE+7)  
-#define MRT6_PIM (MRT6_BASE+8)  
-#define MRT6_TABLE (MRT6_BASE+9)  
-#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE  
+#define MRT6_ASSERT (MRT6_BASE+7)
+#define MRT6_PIM (MRT6_BASE+8)
+#define MRT6_TABLE (MRT6_BASE+9)
+#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
 #define SIOCGETRPF (SIOCPROTOPRIVATE+2)
@@ -48,7 +48,7 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 typedef __u32 if_mask;
-#define NIFBITS (sizeof(if_mask) * 8)  
+#define NIFBITS (sizeof(if_mask) * 8)
 #ifndef DIV_ROUND_UP
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y))
@@ -72,7 +72,7 @@
  unsigned int vifc_rate_limit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-#define MIFF_REGISTER 0x1  
+#define MIFF_REGISTER 0x1
 struct mf6cctl {
  struct sockaddr_in6 mf6cc_origin;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
@@ -102,7 +102,7 @@
 #define MRT6MSG_NOCACHE 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MRT6MSG_WRONGMIF 2
-#define MRT6MSG_WHOLEPKT 3  
+#define MRT6MSG_WHOLEPKT 3
  __u8 im6_mbz;
  __u8 im6_msgtype;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */