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-rw-r--r--firmware/include/asm/ctype.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/include/asm/ctype.h b/firmware/include/asm/ctype.h
index afa3639..6dec944 100644
--- a/firmware/include/asm/ctype.h
+++ b/firmware/include/asm/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)])
personal git repositories of Harald Welte. Your mileage may vary