patch 8.2.0907: when using :global clipboard isn't set correctly

Problem:    When using :global clipboard isn't set correctly.
Solution:   Set "clip_unnamed_saved" instead of "clip_unnamed". (Christian
            Brabandt, closes #6203, closes #6198)
diff --git a/src/version.c b/src/version.c
index 0530106..3fccc70 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    907,
+/**/
     906,
 /**/
     905,