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/can.h b/libc/kernel/common/linux/can.h
index 36d3f42..7ff9cf9 100644
--- a/libc/kernel/common/linux/can.h
+++ b/libc/kernel/common/linux/can.h
@@ -21,13 +21,13 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define CAN_EFF_FLAG 0x80000000U  
-#define CAN_RTR_FLAG 0x40000000U  
-#define CAN_ERR_FLAG 0x20000000U  
-#define CAN_SFF_MASK 0x000007FFU  
+#define CAN_EFF_FLAG 0x80000000U
+#define CAN_RTR_FLAG 0x40000000U
+#define CAN_ERR_FLAG 0x20000000U
+#define CAN_SFF_MASK 0x000007FFU
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define CAN_EFF_MASK 0x1FFFFFFFU  
-#define CAN_ERR_MASK 0x1FFFFFFFU  
+#define CAN_EFF_MASK 0x1FFFFFFFU
+#define CAN_ERR_MASK 0x1FFFFFFFU
 typedef __u32 canid_t;
 typedef __u32 can_err_mask_t;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
@@ -37,13 +37,13 @@
  __u8 data[8] __attribute__((aligned(8)));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-#define CAN_RAW 1  
-#define CAN_BCM 2  
-#define CAN_TP16 3  
+#define CAN_RAW 1
+#define CAN_BCM 2
+#define CAN_TP16 3
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define CAN_TP20 4  
-#define CAN_MCNET 5  
-#define CAN_ISOTP 6  
+#define CAN_TP20 4
+#define CAN_MCNET 5
+#define CAN_ISOTP 6
 #define CAN_NPROTO 7
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOL_CAN_BASE 100
@@ -61,5 +61,5 @@
  canid_t can_mask;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define CAN_INV_FILTER 0x20000000U  
+#define CAN_INV_FILTER 0x20000000U
 #endif