[glib] Remove some unused code

[Matthias Clasen <matthiasc src gnome org>]

commit 03db1f455b4265654e237d2ad55464b4113cba8a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 7 09:50:41 2015 -0400

    Remove some unused code
    
    The function unescape_gstring_inplace was maintaining a line count
    without ever making use of it. Drop that.

 glib/gmarkup.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/glib/gmarkup.c b/glib/gmarkup.c
index bb24ec4..7103d48 100644
--- a/glib/gmarkup.c
+++ b/glib/gmarkup.c
@@ -618,7 +618,6 @@ unescape_gstring_inplace (GMarkupParseContext  *context,
                           GError              **error)
 {
   char mask, *to;
-  int line_num = 1;
   const char *from;
   gboolean normalize_attribute;
 
@@ -642,8 +641,6 @@ unescape_gstring_inplace (GMarkupParseContext  *context,
       *to = *from;
 
       mask |= *to;
-      if (*to == '\n')
-        line_num++;
       if (normalize_attribute && (*to == '\t' || *to == '\n'))
         *to = ' ';
       if (*to == '\r')
@@ -669,7 +666,6 @@ unescape_gstring_inplace (GMarkupParseContext  *context,
                   from++;
                 }
 
-              /* digit is between start and p */
               errno = 0;
               l = strtoul (from, &end, base);