netrom/nrsdrv.c: 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 nrsdrv.o -MD -MP -MF .deps/nrsdrv.Tpo -c -o nrsdrv.o nrsdrv.c
nrsdrv.c: In function ‘main’:
nrsdrv.c:438:15: warning: pointer targets in passing argument 1 of ‘kiss_unesc’ differ in signedness [-Wpointer-sign]
    kiss_unesc(buffer, n);
               ^
nrsdrv.c:246:13: note: expected ‘unsigned char *’ but argument is of type ‘char *’
 static void kiss_unesc(unsigned char *buffer, int len)
             ^
nrsdrv.c:449:14: warning: pointer targets in passing argument 1 of ‘nrs_unesc’ differ in signedness [-Wpointer-sign]
    nrs_unesc(buffer, n);
              ^
nrsdrv.c:192:13: note: expected ‘unsigned char *’ but argument is of type ‘char *’
 static void nrs_unesc(unsigned char *buffer, int len)
             ^

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

1 files changed, 1 insertions, 1 deletions

diff --git a/netrom/nrsdrv.c b/netrom/nrsdrv.c
index d5979d2..e75ecda 100644
--- a/netrom/nrsdrv.c
+++ b/netrom/nrsdrv.c
@@ -303,7 +303,7 @@ static void kiss_unesc(unsigned char *buffer, int len)
 
 int main(int argc, char *argv[])
 {
-	static char buffer[512];
+	static unsigned char buffer[512];
 	unsigned int speed = 0;
 	fd_set read_fd;
 	int c, n;