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/arch-arm/asm/ioctls.h b/libc/kernel/arch-arm/asm/ioctls.h
index 64d81bf..e89fd30 100644
--- a/libc/kernel/arch-arm/asm/ioctls.h
+++ b/libc/kernel/arch-arm/asm/ioctls.h
@@ -66,14 +66,14 @@
 #define TIOCSETD 0x5423
 #define TIOCGETD 0x5424
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define TCSBRKP 0x5425  
-#define TIOCSBRK 0x5427  
-#define TIOCCBRK 0x5428  
-#define TIOCGSID 0x5429  
+#define TCSBRKP 0x5425
+#define TIOCSBRK 0x5427
+#define TIOCCBRK 0x5428
+#define TIOCGSID 0x5429
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define TIOCGPTN _IOR('T',0x30, unsigned int)  
-#define TIOCSPTLCK _IOW('T',0x31, int)  
-#define FIONCLEX 0x5450  
+#define TIOCGPTN _IOR('T',0x30, unsigned int)
+#define TIOCSPTLCK _IOW('T',0x31, int)
+#define FIONCLEX 0x5450
 #define FIOCLEX 0x5451
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FIOASYNC 0x5452
@@ -83,13 +83,13 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TIOCGLCKTRMIOS 0x5456
 #define TIOCSLCKTRMIOS 0x5457
-#define TIOCSERGSTRUCT 0x5458  
-#define TIOCSERGETLSR 0x5459  
+#define TIOCSERGSTRUCT 0x5458
+#define TIOCSERGETLSR 0x5459
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define TIOCSERGETMULTI 0x545A  
-#define TIOCSERSETMULTI 0x545B  
-#define TIOCMIWAIT 0x545C  
-#define TIOCGICOUNT 0x545D  
+#define TIOCSERGETMULTI 0x545A
+#define TIOCSERSETMULTI 0x545B
+#define TIOCMIWAIT 0x545C
+#define TIOCGICOUNT 0x545D
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FIOQSIZE 0x545E
 #define TIOCPKT_DATA 0
@@ -101,5 +101,5 @@
 #define TIOCPKT_NOSTOP 16
 #define TIOCPKT_DOSTOP 32
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define TIOCSER_TEMT 0x01  
+#define TIOCSER_TEMT 0x01
 #endif