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-rw-r--r--ext/mysqlnd/mysqlnd_charset.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/ext/mysqlnd/mysqlnd_charset.c b/ext/mysqlnd/mysqlnd_charset.c
index 6792229d10..a87b2a1f4f 100644
--- a/ext/mysqlnd/mysqlnd_charset.c
+++ b/ext/mysqlnd/mysqlnd_charset.c
@@ -126,8 +126,8 @@ static unsigned int check_mb_utf8_sequence(const char *start, const char *end)
if (!((start[1] ^ 0x80) < 0x40 &&
(start[2] ^ 0x80) < 0x40 &&
(start[3] ^ 0x80) < 0x40 &&
- (c >= 0xf1 || start[1] >= 0x90) &&
- (c <= 0xf3 || start[1] <= 0x8F)))
+ (c >= 0xf1 || start[1] >= (char)0x90) &&
+ (c <= 0xf3 || start[1] <= (char)0x8F)))
{
return 0; /* invalid utf8 character */
}