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-rw-r--r--src/regex.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/regex.c b/src/regex.c
index 88ccc69a208..82ab3d0873c 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -2706,8 +2706,8 @@ compile_range (p_ptr, pend, translate, syntax, b)
We also want to fetch the endpoints without translating them; the
appropriate translation is done in the bit-setting loop below. */
- range_start = ((unsigned char *) p)[-2];
- range_end = ((unsigned char *) p)[0];
+ range_start = ((unsigned const char *) p)[-2];
+ range_end = ((unsigned const char *) p)[0];
/* Have to increment the pointer into the pattern string, so the
caller isn't still at the ending character. */