Changed type to make it work on x32 architecture.

modules/gdnative/gdnative/string.cpp

@@ -1112,7 +1112,7 @@ godot_string GDAPI godot_string_get_file(const godot_string *p_self) {
 	return result;
 }
 
-godot_string GDAPI godot_string_humanize_size(size_t p_size) {
+godot_string GDAPI godot_string_humanize_size(uint64_t p_size) {
 	godot_string result;
 	String return_value = String::humanize_size(p_size);
 	memnew_placement(&result, String(return_value));

modules/gdnative/gdnative_api.json

@@ -5029,7 +5029,7 @@
         "name": "godot_string_humanize_size",
         "return_type": "godot_string",
         "arguments": [
-          ["size_t", "p_size"]
+          ["uint64_t", "p_size"]
         ]
       },
       {

modules/gdnative/include/gdnative/string.h

@@ -261,7 +261,7 @@ godot_bool godot_string_is_empty(const godot_string *p_self);
 // path functions
 godot_string GDAPI godot_string_get_base_dir(const godot_string *p_self);
 godot_string GDAPI godot_string_get_file(const godot_string *p_self);
-godot_string GDAPI godot_string_humanize_size(size_t p_size);
+godot_string GDAPI godot_string_humanize_size(uint64_t p_size);
 godot_bool GDAPI godot_string_is_abs_path(const godot_string *p_self);
 godot_bool GDAPI godot_string_is_rel_path(const godot_string *p_self);
 godot_bool GDAPI godot_string_is_resource_file(const godot_string *p_self);