ax25ipd: Fix stats.

The stats structure was defined in the ax25ipd.h header as a static variable
resulting in each compilation unit having its own stats variable.  The
sole reader, the do_stats() function would thus only see and print all-zero
stats.

This also fixes the following warnings:

make[2]: Entering directory '/home/ralf/src/ax25/ax25-apps/ax25ipd'
gcc -DHAVE_CONFIG_H -I. -I..  -DAX25_SYSCONFDIR=\""/usr/local/etc/ax25"\" -DAX25_LOCALSTATEDIR=\""/usr/local/var/ax25"\"  -DUSE_TERMIO -g -O2 -Wall -MT crc.o -MD -MP -MF .deps/crc.Tpo -c -o crc.o crc.c
In file included from crc.c:3:0:
ax25ipd.h:108:3: warning: ‘stats’ defined but not used [-Wunused-variable]
 } stats;
   ^~~~~
[...]
gcc -DHAVE_CONFIG_H -I. -I..  -DAX25_SYSCONFDIR=\""/usr/local/etc/ax25"\" -DAX25_LOCALSTATEDIR=\""/usr/local/var/ax25"\"  -DUSE_TERMIO -g -O2 -Wall -MT routing.o -MD -MP -MF .deps/routing.Tpo -c -o routing.o routing.c
In file included from routing.c:10:0:
ax25ipd.h:108:3: warning: ‘stats’ defined but not used [-Wunused-variable]
 } stats;
   ^~~~~
[...]
gcc -DHAVE_CONFIG_H -I. -I..  -DAX25_SYSCONFDIR=\""/usr/local/etc/ax25"\" -DAX25_LOCALSTATEDIR=\""/usr/local/var/ax25"\"  -DUSE_TERMIO -g -O2 -Wall -MT syslog.o -MD -MP -MF .deps/syslog.Tpo -c -o syslog.o syslog.c
In file included from syslog.c:4:0:
ax25ipd.h:108:3: warning: ‘stats’ defined but not used [-Wunused-variable]
 } stats;
   ^~~~~
[...]
gcc -DHAVE_CONFIG_H -I. -I..  -DAX25_SYSCONFDIR=\""/usr/local/etc/ax25"\" -DAX25_LOCALSTATEDIR=\""/usr/local/var/ax25"\"  -DUSE_TERMIO -g -O2 -Wall -MT bpqether.o -MD -MP -MF .deps/bpqether.Tpo -c -o bpqether.o bpqether.c
In file included from bpqether.c:39:0:
ax25ipd.h:108:3: warning: ‘stats’ defined but not used [-Wunused-variable]
 } stats;
   ^~~~~
[...]
make[2]: Leaving directory '/home/ralf/src/ax25/ax25-apps/ax25ipd'

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

1 files changed, 4 insertions, 2 deletions

diff --git a/ax25ipd/ax25ipd.h b/ax25ipd/ax25ipd.h
index 37e3a7a..8f52067 100644
--- a/ax25ipd/ax25ipd.h
+++ b/ax25ipd/ax25ipd.h
@@ -87,7 +87,7 @@ extern int loglevel;		/* Verbosity level */
 /* addition for dual port flag */
 extern int dual_port;
 
-static struct {
+struct ax25ipd_stats {
 	int kiss_in;            /* # packets received */
 	int kiss_toobig;        /* packet too large */
 	int kiss_badtype;       /* control byte non-zero */
@@ -105,7 +105,9 @@ static struct {
 	int ip_tooshort;        /* packet too short to be a valid frame */
 	int ip_not_for_me;      /* packet not for me (in digi mode) */
 	int ip_i_am_dest;       /* I am destination (in digi mode) */
-} stats;
+};
+
+extern struct ax25ipd_stats stats;
 
 #define MAX_FRAME 2048