Fix some gcc-4 warnings
diff --git a/extensions/libipt_string.c b/extensions/libipt_string.c
index 2ca9016..8fb013e 100644
--- a/extensions/libipt_string.c
+++ b/extensions/libipt_string.c
@@ -63,7 +63,7 @@
}
static void
-parse_string(const unsigned char *s, struct ipt_string_info *info)
+parse_string(const char *s, struct ipt_string_info *info)
{
if (strlen(s) <= IPT_STRING_MAX_PATTERN_SIZE) {
strncpy(info->pattern, s, IPT_STRING_MAX_PATTERN_SIZE);
@@ -74,7 +74,7 @@
}
static void
-parse_algo(const unsigned char *s, struct ipt_string_info *info)
+parse_algo(const char *s, struct ipt_string_info *info)
{
if (strlen(s) <= IPT_STRING_MAX_ALGO_NAME_SIZE) {
strncpy(info->algo, s, IPT_STRING_MAX_ALGO_NAME_SIZE);
@@ -84,7 +84,7 @@
}
static void
-parse_hex_string(const unsigned char *s, struct ipt_string_info *info)
+parse_hex_string(const char *s, struct ipt_string_info *info)
{
int i=0, slen, sindex=0, schar;
short hex_f = 0, literal_f = 0;