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/route.h b/libc/kernel/common/linux/route.h
index 41e5a08..9d8c6d7 100644
--- a/libc/kernel/common/linux/route.h
+++ b/libc/kernel/common/linux/route.h
@@ -37,23 +37,23 @@
  char __user *rt_dev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long rt_mtu;
-#define rt_mss rt_mtu  
+#define rt_mss rt_mtu
  unsigned long rt_window;
  unsigned short rt_irtt;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-#define RTF_UP 0x0001  
-#define RTF_GATEWAY 0x0002  
-#define RTF_HOST 0x0004  
+#define RTF_UP 0x0001
+#define RTF_GATEWAY 0x0002
+#define RTF_HOST 0x0004
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define RTF_REINSTATE 0x0008  
-#define RTF_DYNAMIC 0x0010  
-#define RTF_MODIFIED 0x0020  
-#define RTF_MTU 0x0040  
+#define RTF_REINSTATE 0x0008
+#define RTF_DYNAMIC 0x0010
+#define RTF_MODIFIED 0x0020
+#define RTF_MTU 0x0040
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define RTF_MSS RTF_MTU  
-#define RTF_WINDOW 0x0080  
-#define RTF_IRTT 0x0100  
-#define RTF_REJECT 0x0200  
+#define RTF_MSS RTF_MTU
+#define RTF_WINDOW 0x0080
+#define RTF_IRTT 0x0100
+#define RTF_REJECT 0x0200
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif