remove extra parenthese

src/uthash.h

@@ -873,10 +873,10 @@ do {
 
 #define HASH_OVERHEAD(hh,head)                                                   \
  ((head != NULL) ? (                                                             \
- (size_t)((((head)->hh.tbl->num_items   * sizeof(UT_hash_handle))   +            \
-           ((head)->hh.tbl->num_buckets * sizeof(UT_hash_bucket))   +            \
-            (sizeof(UT_hash_table))                                 +            \
-            (HASH_BLOOM_BYTELEN)))) : 0)
+ (size_t)(((head)->hh.tbl->num_items   * sizeof(UT_hash_handle))   +             \
+          ((head)->hh.tbl->num_buckets * sizeof(UT_hash_bucket))   +             \
+           sizeof(UT_hash_table)                                   +             \
+           (HASH_BLOOM_BYTELEN))) : 0)
 
 #ifdef NO_DECLTYPE
 #define HASH_ITER(hh,head,el,tmp)                                                \