[gtk-doc] gtk-doc.make: Fix "-chmod: command not found"

[Stefan Kost <stefkost src gnome org>]

commit 6f04348705e4fe05a30ca3bbf9bef27749e24b14
Author: Stefan Sauer <ensonic users sf net>
Date:   Sun Aug 18 13:07:41 2013 +0200

    gtk-doc.make: Fix "-chmod: command not found"
    
    Move the '-' before the silence var.
    Fixes #701259.

 gtk-doc.make |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk-doc.make b/gtk-doc.make
index 3b5bed0..ac30c4c 100644
--- a/gtk-doc.make
+++ b/gtk-doc.make
@@ -157,7 +157,7 @@ GTK_DOC_V_XML_=$(GTK_DOC_V_XML_$(AM_DEFAULT_VERBOSITY))
 GTK_DOC_V_XML_0= echo "  DOC   Building XML";
 
 sgml-build.stamp: tmpl.stamp $(DOC_MODULE)-sections.txt $(srcdir)/tmpl/*.sgml $(expand_content_files)
-       $(GTK_DOC_V_XML)-chmod -R u+w $(srcdir) && _source_dir='' ; \
+       -$(GTK_DOC_V_XML)chmod -R u+w $(srcdir) && _source_dir='' ; \
        for i in $(DOC_SOURCE_DIR) ; do \
            _source_dir="$${_source_dir} --source-dir=$$i" ; \
        done ; \