Subject: fix signed/unsigned bug.
From: Michael Olbrich <m.olbrich@pengutronix.de>

The code assumed that 'char' is unsigned:
char c;
(c >> 7) == -1 or 0
This is not true on all platforms. If 'char' is signed we get:
(c >> 7) == 1 or 0
Fix: use 'signed char c;' instead.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
 src/flagset.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: b/src/flagset.c
===================================================================
--- a/src/flagset.c
+++ b/src/flagset.c
@@ -134,7 +134,7 @@ unsigned short netcat_flag_next(unsigned
 
 int netcat_flag_count(void)
 {
-  register char c;
+  register signed char c;
   register int i;
   int ret = 0;