[msitools] wixl-heat: fix last indent

[Marc-Andre Lureau <malureau src gnome org>]

commit 779c8a4d6fb4b90de0139ccb507457dcc97647ee
Author: Marc-André Lureau <marcandre lureau redhat com>
Date:   Thu Jun 1 19:12:35 2017 +0400

    wixl-heat: fix last indent
    
    Signed-off-by: Marc-André Lureau <marcandre lureau redhat com>

 tools/wixl/wixl-heat.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tools/wixl/wixl-heat.vala b/tools/wixl/wixl-heat.vala
index b2861a4..47013c1 100644
--- a/tools/wixl/wixl-heat.vala
+++ b/tools/wixl/wixl-heat.vala
@@ -115,6 +115,7 @@ public int main (string[] args) {
         warning (error.message);
     }
 
+    indent = indent[0:-2];
     foreach (var l in last_path) {
       stdout.printf (indent + "</Directory>\n");
       indent = indent[0:-2];