Remove long_u: hashtab: Enable clint: Add to clint.

- Add hashtab.[ch] to clint file.
- Fix clint errors.

clint-files.txt

@@ -9,6 +9,8 @@ src/nvim/api/vim.c
 src/nvim/api/vim.h
 src/nvim/api/window.c
 src/nvim/api/window.h
+src/nvim/hashtab.c
+src/nvim/hashtab.h
 src/nvim/indent.c
 src/nvim/indent.h
 src/nvim/log.c

src/nvim/hashtab.c

@@ -67,7 +67,7 @@ void hash_clear_all(hashtab_T *ht, unsigned int off)
   hash_clear(ht);
 }
 
-/// Find item for given "key" in hashtable "ht". 
+/// Find item for given "key" in hashtable "ht".
 ///
 /// @param key The key of the looked-for item. Must not be NULL.
 ///
@@ -210,7 +210,7 @@ int hash_add_item(hashtab_T *ht, hashitem_T *hi, char_u *key, hash_T hash)
 }
 
 /// Remove item "hi" from hashtable "ht".
-/// 
+///
 /// Caller must take care of freeing the item itself.
 ///
 /// @param hi The hash item to be removed.
@@ -222,7 +222,7 @@ void hash_remove(hashtab_T *ht, hashitem_T *hi)
   hash_may_resize(ht, 0);
 }
 
-/// Lock hashtable (prevent changes in ht_array). 
+/// Lock hashtable (prevent changes in ht_array).
 ///
 /// Don't use this when items are to be added!
 /// Must call hash_unlock() later.

src/nvim/hashtab.h

@@ -5,10 +5,10 @@
 #include "nvim/vim.h"
 
 /// Type for hash number (hash calculation result).
-typedef size_t hash_T;          
+typedef size_t hash_T;
 
 /// The address of "hash_removed" is used as a magic number
-/// for hi_key to indicate a removed item. 
+/// for hi_key to indicate a removed item.
 #define HI_KEY_REMOVED &hash_removed
 #define HASHITEM_EMPTY(hi) ((hi)->hi_key == NULL \
                             || (hi)->hi_key == &hash_removed)
@@ -34,7 +34,7 @@ typedef struct hashitem_S {
   hash_T hi_hash;
 
   /// Item key.
-  /// 
+  ///
   /// Possible values mean the following:
   /// NULL                      : Item was never used.
   /// HI_KEY_REMOVED            : Item was removed.
@@ -44,7 +44,7 @@ typedef struct hashitem_S {
 
 /// Initial size for a hashtable.
 /// Our items are relatively small and growing is expensive, thus start with 16.
-/// Must be a power of 2. 
+/// Must be a power of 2.
 #define HT_INIT_SIZE 16
 
 /// An array-based hashtable.
@@ -80,4 +80,4 @@ void hash_lock(hashtab_T *ht);
 void hash_unlock(hashtab_T *ht);
 hash_T hash_hash(char_u *key);
 
-#endif /* NVIM_HASHTAB_H */
+#endif  // NVIM_HASHTAB_H