patch 8.2.1208: build failure

Problem:    Build failure.
Solution:   Add missing change.

src/structs.h

@@ -1250,6 +1250,7 @@ typedef struct hashtable_S
 				// array is "ht_mask" + 1)
     long_u	ht_used;	// number of items used
     long_u	ht_filled;	// number of items used + removed
+    int		ht_changed;	// incremented when adding or removing an item
     int		ht_locked;	// counter for hash_lock()
     int		ht_error;	// when set growing failed, can't add more
 				// items before growing works

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1208,
 /**/
     1207,
 /**/