patch 8.1.2225: the "last used" info of a buffer is under used
Problem: The "last used" info of a buffer is under used.
Solution: Add "lastused" to getbufinfo(). List buffers sorted by last-used
field. (Andi Massimino, closes #4722)
diff --git a/src/option.h b/src/option.h
index 254ca6a..3ee9979 100644
--- a/src/option.h
+++ b/src/option.h
@@ -338,6 +338,7 @@
#define WIM_FULL 0x01
#define WIM_LONGEST 0x02
#define WIM_LIST 0x04
+#define WIM_BUFLASTUSED 0x08
// arguments for can_bs()
#define BS_INDENT 'i' // "Indent"