[PATCH 2/2] examples: fix wrongly used unsigned attribute

[Stefan Schmidt <stefan@datenfreihafen.org>]

We are passing this buffer into sprintf later which
expects signed. Its a constant string anyway, so
it does not matter for us. Fixes -Wpointer-sign values
spotted by our CI system.

Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
---
 examples/af_ieee802154_tx.c | 2 +-
 examples/af_inet6_tx.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/af_ieee802154_tx.c b/examples/af_ieee802154_tx.c
index e85a109..faad17e 100644
--- a/examples/af_ieee802154_tx.c
+++ b/examples/af_ieee802154_tx.c
@@ -55,7 +55,7 @@ int main(int argc, char *argv[]) {
 	int sd;
 	ssize_t len;
 	struct sockaddr_ieee802154 dst;
-	unsigned char buf[MAX_PACKET_LEN + 1];
+	char buf[MAX_PACKET_LEN + 1];
 	/* IEEE 802.15.4 extended send address, adapt to your setup */
 	uint8_t long_addr[IEEE802154_ADDR_LEN] = {0xd6, 0x55, 0x2c, 0xd6, 0xe4, 0x1c, 0xeb, 0x57};
 
diff --git a/examples/af_inet6_tx.c b/examples/af_inet6_tx.c
index 9fe7491..a62f730 100644
--- a/examples/af_inet6_tx.c
+++ b/examples/af_inet6_tx.c
@@ -35,7 +35,7 @@ int main(int argc, char *argv[]) {
 	int ret, sd;
 	struct sockaddr_in6 dst;
 	struct ifreq ifr;
-	unsigned char buf[MAX_PACKET_LEN + 1];
+	char buf[MAX_PACKET_LEN + 1];
 
 	/* Create IPv6 address family socket for the SOCK_DGRAM type */
 	sd = socket(PF_INET6, SOCK_DGRAM, 0);
-- 
2.17.2