Update Wayland to version 1.9.91.

third_party/wayland/include/config.h

Index: third_party/wayland/include/config.h
diff --git a/third_party/wayland/include/config.h b/third_party/wayland/include/config.h
index 14f40dc1dc2ea23869d1fc766d8975025d0112b4..79a467438ec76e9943bc7c611164727bda9c4bba 100644
--- a/third_party/wayland/include/config.h
+++ b/third_party/wayland/include/config.h
@@ -16,6 +16,9 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #define HAVE_INTTYPES_H 1
 
+/* libxml-2.0 is available */
+#define HAVE_LIBXML 1
+
 /* Define to 1 if you have the <memory.h> header file. */
 #define HAVE_MEMORY_H 1
 
@@ -54,13 +57,13 @@
 #define PACKAGE "wayland"
 
 /* Define to the address where bug reports for this package should be sent. */
-#define PACKAGE_BUGREPORT "https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=wayland&version=1.9.0"
+#define PACKAGE_BUGREPORT "https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=wayland&version=1.9.91"
 
 /* Define to the full name of this package. */
 #define PACKAGE_NAME "wayland"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "wayland 1.9.0"
+#define PACKAGE_STRING "wayland 1.9.91"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "wayland"
@@ -69,10 +72,10 @@
 #define PACKAGE_URL "http://wayland.freedesktop.org/"
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "1.9.0"
+#define PACKAGE_VERSION "1.9.91"
 
 /* Define to 1 if you have the ANSI C header files. */
 #define STDC_HEADERS 1
 
 /* Version number of package */
-#define VERSION "1.9.0"
+#define VERSION "1.9.91"