PR10277: fix \octal escaping of utf-8 characters in path names etc.

* util.h (lex_cast_qstring): Use unsigned rather than signed chars.

1 files changed, 1 insertions, 1 deletions

diff --git a/util.h b/util.h
index 175f1f40..63e41f9a 100644
--- a/util.h
+++ b/util.h
@@ -70,7 +70,7 @@ lex_cast_qstring(IN const & in)
   out2 += '"';
   for (unsigned i=0; i<out.length(); i++)
     {
-      char c = out[i];
+      unsigned char c = out[i];
       if (! isprint(c))
         {
           out2 += '\\';