Fixing issue #1775 about interpreting \n after \r as whitespace i…

…nstead of being part of the newline.

src/tools/bin/tbg

@@ -374,7 +374,7 @@ if [ ! -f "$cfg_file" ] ; then
 fi
 
 # cfg file sanity check - space after \ at EOL ?
-cfg_err=`egrep "\\\\\[[:space:]]+$" $cfg_file | wc -l`
+cfg_err=`egrep "\\\\\[[:blank:]]+$" $cfg_file | wc -l`
 if [ $cfg_err != 0 ] ; then
     echo "ERROR: file \"$cfg_file\" contains spaces after line continuation \\"
     echo "Check the following lines for end-of-line spaces:"