hdlcutil/usersmdiag.h: Fix signedness compiler warnings.

gcc -DHAVE_CONFIG_H -I. -I..  -DAX25_SYSCONFDIR=\""/usr/local/etc/ax25/"\" -DAX25_LOCALSTATEDIR=\""/usr/local/var/ax25/"\"   -g -O2 -Wall -MT hdrvcomm.o -MD -MP -MF .deps/hdrvcomm.Tpo -c -o hdrvcomm.o hdrvcomm.c
hdrvcomm.c: In function ‘hdrvc_get_driver_name’:
hdrvcomm.c:677:1: warning: pointer targets in passing argument 2 of ‘__builtin_strncpy’ differ in signedness [-Wpointer-sign]
  strncpy(buf, msg.data.by, ret);
 ^
hdrvcomm.c:677:1: note: expected ‘const char *’ but argument is of type ‘unsigned char *’
hdrvcomm.c: In function ‘hdrvc_get_mode_name’:
hdrvcomm.c:712:1: warning: pointer targets in passing argument 2 of ‘__builtin_strncpy’ differ in signedness [-Wpointer-sign]
  strncpy(buf, msg.data.by, ret);
 ^
hdrvcomm.c:712:1: note: expected ‘const char *’ but argument is of type ‘unsigned char *’

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/hdlcutil/usersmdiag.h b/hdlcutil/usersmdiag.h
index e40f889..54e818b 100644
--- a/hdlcutil/usersmdiag.h
+++ b/hdlcutil/usersmdiag.h
@@ -110,7 +110,7 @@ struct usersmmsg {
 			short samples[DIAGDATALEN];
 		} diag_out;
 
-		unsigned char by[0];
+		char by[0];
 	} data;
 };