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/sem.h b/libc/kernel/common/linux/sem.h
index 5c15194..7e1171e 100644
--- a/libc/kernel/common/linux/sem.h
+++ b/libc/kernel/common/linux/sem.h
@@ -19,16 +19,16 @@
 #ifndef _LINUX_SEM_H
 #define _LINUX_SEM_H
 #include <linux/ipc.h>
-#define SEM_UNDO 0x1000  
+#define SEM_UNDO 0x1000
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define GETPID 11  
-#define GETVAL 12  
-#define GETALL 13  
-#define GETNCNT 14  
+#define GETPID 11
+#define GETVAL 12
+#define GETALL 13
+#define GETNCNT 14
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define GETZCNT 15  
-#define SETVAL 16  
-#define SETALL 17  
+#define GETZCNT 15
+#define SETVAL 16
+#define SETALL 17
 #define SEM_STAT 18
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SEM_INFO 19
@@ -76,16 +76,16 @@
  int semaem;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SEMMNI 128  
-#define SEMMSL 250  
-#define SEMMNS (SEMMNI*SEMMSL)  
-#define SEMOPM 32  
+#define SEMMNI 128
+#define SEMMSL 250
+#define SEMMNS (SEMMNI*SEMMSL)
+#define SEMOPM 32
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SEMVMX 32767  
-#define SEMAEM SEMVMX  
-#define SEMUME SEMOPM  
-#define SEMMNU SEMMNS  
+#define SEMVMX 32767
+#define SEMAEM SEMVMX
+#define SEMUME SEMOPM
+#define SEMMNU SEMMNS
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SEMMAP SEMMNS  
-#define SEMUSZ 20  
+#define SEMMAP SEMMNS
+#define SEMUSZ 20
 #endif