backout 12576beb1198 about internal ITK

KWSys modification need to avoid dl_close problem is done in the ITK package provided by OTB Team on Ubuntu and the modifcation is also done in the external ITK used by the OTB dashboard build on dora

Utilities/ITK/Modules/ThirdParty/KWSys/src/KWSys/hashtable.hxx.in

@@ -403,6 +403,10 @@ struct _Hashtable_const_iterator {
 // Note: assumes long is at least 32 bits.
 enum { _stl_num_primes = 31 };
 
+// create a function with a static local to that function that returns
+// the static
+inline const unsigned long* get_stl_prime_list() {
+
 static const unsigned long _stl_prime_list[_stl_num_primes] =
 {
   5ul,          11ul,         23ul,
@@ -414,10 +418,6 @@ static const unsigned long _stl_prime_list[_stl_num_primes] =
   1610612741ul, 3221225473ul, 4294967291ul
 };
 
-// create a function with a static local to that function that returns
-// the static
-inline const unsigned long* get_stl_prime_list() {
-
 return &_stl_prime_list[0]; }
 
 inline size_t _stl_next_prime(size_t __n)