[gtk+] Fix make dist

[Matthias Clasen <matthiasc src gnome org>]

commit b974ced51bbf9c93a5711ca067233ae14a17d983
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Mar 12 08:10:29 2015 -0400

    Fix make dist
    
    Add a missing quote.

 po-properties/Makefile.in.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po-properties/Makefile.in.in b/po-properties/Makefile.in.in
index 41b41df..7212a24 100644
--- a/po-properties/Makefile.in.in
+++ b/po-properties/Makefile.in.in
@@ -96,7 +96,7 @@ all-no:
 
 $(srcdir)/$(GETTEXT_PACKAGE).pot: $(POTFILES)
        XGETTEXT="$(XGETTEXT)" \
-       XGETTEXT_KEYWORDS=$(XGETTEXT_KEYWORDS)" \
+       XGETTEXT_KEYWORDS="$(XGETTEXT_KEYWORDS)" \
        GETTEXT_PACKAGE="$(GETTEXT_PACKAGE)" \
        top_srcdir="$(top_srcdir)" \
        srcdir="$(srcdir)" \