patch 8.0.0192: cannot build with tiny features

Problem:    Build fails with tiny features.
Solution:   Change #ifdef for hash_clear().  Avoid warning for unused
            argument.

src/hashtab.c

@@ -70,7 +70,6 @@ hash_init(hashtab_T *ht)
     ht->ht_mask = HT_INIT_SIZE - 1;
 }
 
-#if defined(FEAT_EVAL) || defined(FEAT_SYN_HL) || defined(PROTO)
 /*
  * Free the array of a hash table.  Does not free the items it contains!
  * If "ht" is not freed then you should call hash_init() next!
@@ -104,7 +103,6 @@ hash_clear_all(hashtab_T *ht, int off)
     }
     hash_clear(ht);
 }
-#endif
 
 /*
  * Find "key" in hashtable "ht".  "key" must not be NULL.

src/if_cscope.c

@@ -207,7 +207,7 @@ set_context_in_cscope_cmd(
     static void
 do_cscope_general(
     exarg_T	*eap,
-    int		make_split) /* whether to split window */
+    int		make_split UNUSED) /* whether to split window */
 {
     cscmd_T *cmdp;
 

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    192,
 /**/
     191,
 /**/