Bug#857121: biosig4c++ FTBFS on architectures where char is unsigned

[Alois Schloegl]

This bug was fixed upstream in
   commit 8e7c3d7e485e1d3af3f3094641282274424b7385

Attaches is the corresponding patch.


Thanks for consideration,
   Alois

commit 8e7c3d7e485e1d3af3f3094641282274424b7385
Author: Christoph Schmidt-Hieber <christoph.schmidthie...@googlemail.com>
Date:   Sat Dec 10 16:50:41 2016 +0100

    Fix compilation with gcc6 on armhf. See Debian Bug #847526

diff --git a/biosig4c++/t210/codes.h b/biosig4c++/t210/codes.h
index 4db65b2..53affbf 100644
--- a/biosig4c++/t210/codes.h
+++ b/biosig4c++/t210/codes.h
@@ -22,7 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #ifndef __CODES_H__
 #define __CODES_H__
 
-static const char STR_END[]={-1,'\0'};
+static const char STR_END[]={(char)-1,'\0'};
 static char STR_NULL[]=" unspecified/unknown ";
 
 static alfabetic _special[]={