Typfix in grep_file()

Change-Id: I5db563edc4d1e11c881828bab61e1244a3f1edd1
diff --git a/std/shells/magier/fileview.c b/std/shells/magier/fileview.c
index 0e9f154..f325896 100644
--- a/std/shells/magier/fileview.c
+++ b/std/shells/magier/fileview.c
@@ -598,7 +598,7 @@
     rexpr=lower_case(rexpr);
   do
   {
-    data=read_bytes(fullname,ptr,MAXLEN)||"";
+    data=to_text(read_bytes(fullname,ptr,MAXLEN)||"", "UTF-8");
     ptr+=MAXLEN;
     lines=explode(carry+data,"\n");
     switch(sizeof(lines))