wv: Fix build with hardening flags

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-gnome/recipes-gnome/wv/wv-1.2.4/0001-wvRTF.c-Specify-print-format-in-rtf_output.patch

@@ -0,0 +1,26 @@
+From 079529b8d5e339e2211fa2f8c15543a738a627bc Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 27 Jun 2017 14:50:51 -0700
+Subject: [PATCH] wvRTF.c: Specify print format in rtf_output()
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ wvRTF.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/wvRTF.c b/wvRTF.c
+index 361d258..4f24b30 100644
+--- a/wvRTF.c
++++ b/wvRTF.c
+@@ -192,7 +192,7 @@ output_rtfUserData (rtfUserData * ud)
+     rtf_output_char ('{');
+ 
+     /* font color */
+-    rtf_output (rtfColors[ud->cCol]);
++    rtf_output ("%s", rtfColors[ud->cCol]);
+ 
+     /* font face */
+     rtf_output ("\\f%d", ud->cFont);
+-- 
+2.13.2
+

meta-gnome/recipes-gnome/wv/wv_1.2.4.bb

@@ -8,7 +8,8 @@ DEPENDS = "libgsf glib-2.0 libpng"
 SRC_URI = "${SOURCEFORGE_MIRROR}/wvware/wv-${PV}.tar.gz \
            file://pkgconfig.patch \
            file://0001-configure-use-foreign-mode-to-avoid-errors-with-miss.patch \
-          "
+           file://0001-wvRTF.c-Specify-print-format-in-rtf_output.patch \
+           "
 
 SRC_URI[md5sum] = "c1861c560491f121e12917fa76970ac5"
 SRC_URI[sha256sum] = "673109910e22d4cf94cc8be4dcb9a0c41b5fbdb1736d4b7bdc7778894d57c2d6"