Update hash_set_m.h

Fixed incorrect address assignment

Author: hordi

include/hash_set_m.h

@@ -5,7 +5,7 @@
 // Fast hashtable (hash_set, hash_map) based on open addressing hashing for C++11 and up
 //
 // This version supports full size_t hashing (calculates hash of each elements after any reallocation/resize) 
-// version 1.3.2
+// version 1.3.3
 //
 // https://github.com/hordi/hash
 //
@@ -873,7 +873,7 @@ class hash_base
         if (!_capacity)
             _elements = reinterpret_cast<int8_t*>(&_size);
         if (!r._capacity)
-            r._elements = reinterpret_cast<int8_t*>(r._size);
+            r._elements = reinterpret_cast<int8_t*>(&r._size);
     }
 
 #ifdef _MSC_VER