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/rtc.h b/libc/kernel/common/linux/rtc.h
index e437060..e18d239 100644
--- a/libc/kernel/common/linux/rtc.h
+++ b/libc/kernel/common/linux/rtc.h
@@ -49,32 +49,32 @@
  int pll_negmult;
  long pll_clock;
 };
-#define RTC_AIE_ON _IO('p', 0x01)  
+#define RTC_AIE_ON _IO('p', 0x01)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define RTC_AIE_OFF _IO('p', 0x02)  
-#define RTC_UIE_ON _IO('p', 0x03)  
-#define RTC_UIE_OFF _IO('p', 0x04)  
-#define RTC_PIE_ON _IO('p', 0x05)  
+#define RTC_AIE_OFF _IO('p', 0x02)
+#define RTC_UIE_ON _IO('p', 0x03)
+#define RTC_UIE_OFF _IO('p', 0x04)
+#define RTC_PIE_ON _IO('p', 0x05)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define RTC_PIE_OFF _IO('p', 0x06)  
-#define RTC_WIE_ON _IO('p', 0x0f)  
-#define RTC_WIE_OFF _IO('p', 0x10)  
-#define RTC_ALM_SET _IOW('p', 0x07, struct rtc_time)  
+#define RTC_PIE_OFF _IO('p', 0x06)
+#define RTC_WIE_ON _IO('p', 0x0f)
+#define RTC_WIE_OFF _IO('p', 0x10)
+#define RTC_ALM_SET _IOW('p', 0x07, struct rtc_time)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define RTC_ALM_READ _IOR('p', 0x08, struct rtc_time)  
-#define RTC_RD_TIME _IOR('p', 0x09, struct rtc_time)  
-#define RTC_SET_TIME _IOW('p', 0x0a, struct rtc_time)  
-#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long)  
+#define RTC_ALM_READ _IOR('p', 0x08, struct rtc_time)
+#define RTC_RD_TIME _IOR('p', 0x09, struct rtc_time)
+#define RTC_SET_TIME _IOW('p', 0x0a, struct rtc_time)
+#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long)  
-#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long)  
-#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long)  
-#define RTC_WKALM_SET _IOW('p', 0x0f, struct rtc_wkalrm) 
+#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long)
+#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long)
+#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long)
+#define RTC_WKALM_SET _IOW('p', 0x0f, struct rtc_wkalrm)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define RTC_WKALM_RD _IOR('p', 0x10, struct rtc_wkalrm) 
-#define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info)  
-#define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info)  
-#define RTC_IRQF 0x80  
+#define RTC_WKALM_RD _IOR('p', 0x10, struct rtc_wkalrm)
+#define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info)
+#define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info)
+#define RTC_IRQF 0x80
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RTC_PF 0x40
 #define RTC_AF 0x20