Add the const qualifier to "char *" variables that refer to literal strings. (#4370)
diff --git a/Python/pystrtod.c b/Python/pystrtod.c
index f19d239..9bf9363 100644
--- a/Python/pystrtod.c
+++ b/Python/pystrtod.c
@@ -597,7 +597,8 @@
ensure_decimal_point(char* buffer, size_t buf_size, int precision)
{
int digit_count, insert_count = 0, convert_to_exp = 0;
- char *chars_to_insert, *digits_start;
+ const char *chars_to_insert;
+ char *digits_start;
/* search for the first non-digit character */
char *p = buffer;