ctype: constify read-only _ctype string

[safe/jmp/linux-2.6] / include / linux / ctype.h

diff --git a/include/linux/ctype.h b/include/linux/ctype.h
index afa3639..6dec944 100644 (file)
--- a/include/linux/ctype.h
+++ b/include/linux/ctype.h
@@ -15,7 +15,7 @@
 #define _X     0x40    /* hex digit */
 #define _SP    0x80    /* hard space (0x20) */
 
-extern unsigned char _ctype[];
+extern const unsigned char _ctype[];
 
 #define __ismask(x) (_ctype[(int)(unsigned char)(x)])