libuuid from e2fsprogs does not define UUID_STR_LEN

Index: src/libedataserver/e-ms-oapxbc.c
--- src/libedataserver/e-ms-oapxbc.c.orig
+++ src/libedataserver/e-ms-oapxbc.c
@@ -41,6 +41,8 @@
 #define DBUS_BROKER_PATH "/com/microsoft/identity/broker1"
 #define AUTH_TYPE_OAUTH2 8
 
+#define UUID_STR_LEN 36 /* from OpenBSD uuid.h */
+
 struct _EMsOapxbc {
 	GObject parent_instance;
 
