patch 8.2.0959: using 'quickfixtextfunc' is a bit slow

Problem:    Using 'quickfixtextfunc' is a bit slow.
Solution:   Process a list of entries. (Yegappan Lakshmanan, closes #6234)
diff --git a/src/version.c b/src/version.c
index 8b08d07..1479c2a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    959,
+/**/
     958,
 /**/
     957,