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/shm.h b/libc/kernel/common/linux/shm.h
index ecee3e8..e9900ca 100644
--- a/libc/kernel/common/linux/shm.h
+++ b/libc/kernel/common/linux/shm.h
@@ -22,12 +22,12 @@
 #include <linux/errno.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/page.h>
-#define SHMMAX 0x2000000  
-#define SHMMIN 1  
-#define SHMMNI 4096  
+#define SHMMAX 0x2000000
+#define SHMMIN 1
+#define SHMMNI 4096
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SHMALL (SHMMAX/PAGE_SIZE*(SHMMNI/16))  
-#define SHMSEG SHMMNI  
+#define SHMALL (SHMMAX/PAGE_SIZE*(SHMMNI/16))
+#define SHMSEG SHMMNI
 #include <asm/shmparam.h>
 struct shmid_ds {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
@@ -47,13 +47,13 @@
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/shmbuf.h>
-#define SHM_R 0400  
-#define SHM_W 0200  
-#define SHM_RDONLY 010000  
+#define SHM_R 0400
+#define SHM_W 0200
+#define SHM_RDONLY 010000
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SHM_RND 020000  
-#define SHM_REMAP 040000  
-#define SHM_EXEC 0100000  
+#define SHM_RND 020000
+#define SHM_REMAP 040000
+#define SHM_EXEC 0100000
 #define SHM_LOCK 11
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SHM_UNLOCK 12