Description: Fix command line parser for archs where char is unsigned
Author: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
Bug: https://bitbucket.org/ripencc/bgpdump/issues/36/
Last-Update: 2016-07-22

     Else the getopt return code check will always fail on archs where
     the char type is unsigned (e.g. armhf, powerpc).

--- a/bgpdump.c
+++ b/bgpdump.c
@@ -137,7 +137,7 @@
 
 int main(int argc, char *argv[]) {
     
-    char c;
+    int c;
     int fd;
     bool usage_error = false;
     bool use_syslog = true;