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/keyboard.h b/libc/kernel/common/linux/keyboard.h
index dac9983..a4b7e2b 100644
--- a/libc/kernel/common/linux/keyboard.h
+++ b/libc/kernel/common/linux/keyboard.h
@@ -36,10 +36,10 @@
 #define NR_KEYS 256
 #define MAX_NR_KEYMAPS 256
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MAX_NR_OF_USER_KEYMAPS 256  
-#define MAX_NR_FUNC 256  
-#define KT_LATIN 0  
-#define KT_LETTER 11  
+#define MAX_NR_OF_USER_KEYMAPS 256
+#define MAX_NR_FUNC 256
+#define KT_LATIN 0
+#define KT_LETTER 11
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define KT_FN 1
 #define KT_SPEC 2
@@ -89,9 +89,9 @@
 #define K_INSERT K(KT_FN,21)
 #define K_REMOVE K(KT_FN,22)
 #define K_SELECT K(KT_FN,23)
-#define K_PGUP K(KT_FN,24)  
+#define K_PGUP K(KT_FN,24)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define K_PGDN K(KT_FN,25)  
+#define K_PGDN K(KT_FN,25)
 #define K_MACRO K(KT_FN,26)
 #define K_HELP K(KT_FN,27)
 #define K_DO K(KT_FN,28)
@@ -404,9 +404,9 @@
 #define K_INCRCONSOLE K(KT_SPEC,17)
 #define K_SPAWNCONSOLE K(KT_SPEC,18)
 #define K_BARENUMLOCK K(KT_SPEC,19)
-#define K_ALLOCATED K(KT_SPEC,126)  
+#define K_ALLOCATED K(KT_SPEC,126)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define K_NOSUCHMAP K(KT_SPEC,127)  
+#define K_NOSUCHMAP K(KT_SPEC,127)
 #define K_P0 K(KT_PAD,0)
 #define K_P1 K(KT_PAD,1)
 #define K_P2 K(KT_PAD,2)
@@ -419,19 +419,19 @@
 #define K_P7 K(KT_PAD,7)
 #define K_P8 K(KT_PAD,8)
 #define K_P9 K(KT_PAD,9)
-#define K_PPLUS K(KT_PAD,10)  
+#define K_PPLUS K(KT_PAD,10)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define K_PMINUS K(KT_PAD,11)  
-#define K_PSTAR K(KT_PAD,12)  
-#define K_PSLASH K(KT_PAD,13)  
-#define K_PENTER K(KT_PAD,14)  
+#define K_PMINUS K(KT_PAD,11)
+#define K_PSTAR K(KT_PAD,12)
+#define K_PSLASH K(KT_PAD,13)
+#define K_PENTER K(KT_PAD,14)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define K_PCOMMA K(KT_PAD,15)  
-#define K_PDOT K(KT_PAD,16)  
-#define K_PPLUSMINUS K(KT_PAD,17)  
-#define K_PPARENL K(KT_PAD,18)  
+#define K_PCOMMA K(KT_PAD,15)
+#define K_PDOT K(KT_PAD,16)
+#define K_PPLUSMINUS K(KT_PAD,17)
+#define K_PPARENL K(KT_PAD,18)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define K_PPARENR K(KT_PAD,19)  
+#define K_PPARENR K(KT_PAD,19)
 #define NR_PAD 20
 #define K_DGRAVE K(KT_DEAD,0)
 #define K_DACUTE K(KT_DEAD,1)