Prevent the output of spurious extra characters from
the stack.  This patch is in the manner of the rest of
the code, there is no good reason for this.

--- C/ipkg_install.c	1970-01-01 00:00:00.000000000 +0000
+++ C/ipkg_install.c	1970-01-01 00:00:00.000000000 +0000
@@ -723,6 +723,7 @@ static int ipkg_install_check_downgrade(
 	  return rc;
      } else {
       char message_out[15] ;
+      memset(message_out,'\x0',15);
       if ( message ) 
           strncpy( message_out,"Upgrading ",strlen("Upgrading ") );
       else