[PATCH:app/xprop] Enable setting property of type UTF8_STRING.

[lolilolicon]

Fix "bad format character: u" error for format '8u', e.g.:
    xprop -root -f _NET_WM_NAME 8u -set _NET_WM_NAME LG3D
---
 xprop.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/xprop.c b/xprop.c
index 4c4c702..2dbacb5 100644
--- a/xprop.c
+++ b/xprop.c
@@ -1629,6 +1629,13 @@ Set_Property (Display *dpy, Window w, const char *propname, const char *value)
 	data = (unsigned char *) value;
 	nelements = strlen(value);
 	break;
+      case 'u':
+	if (size != 8)
+	    Fatal_Error("can't use format character 'u' with any size except 8.");
+	type = XInternAtom(dpy, "UTF8_STRING", False);
+	data = (unsigned char *) value;
+	nelements = strlen(value);
+	break;
       case 't': {
 	XTextProperty textprop;
 	if (size != 8)
-- 
1.7.8.3