Port member initialization from constructor to declaration (C++11)

Using `clang-tidy`'s `modernize-use-default-member-init` check and
manual review of the changes, and some extra manual changes that
`clang-tidy` failed to do.

Also went manually through all of `core` to find occurrences that
`clang-tidy` couldn't handle, especially all initializations done
in a constructor without using initializer lists.

2 files changed, 9 insertions, 17 deletions

diff --git a/platform/javascript/http_client.h.inc b/platform/javascript/http_client.h.inc
index ac275aadbc..4d5ff88bdd 100644
--- a/platform/javascript/http_client.h.inc
+++ b/platform/javascript/http_client.h.inc
@@ -33,21 +33,21 @@
 Error prepare_request(Method p_method, const String &p_url, const Vector<String> &p_headers);
 
 int xhr_id;
-int read_limit;
-int response_read_offset;
-Status status;
+int read_limit = 4096;
+int response_read_offset = 0;
+Status status = STATUS_DISCONNECTED;
 
 String host;
-int port;
-bool use_tls;
+int port = -1;
+bool use_tls = false;
 String username;
 String password;
 
-int polled_response_code;
+int polled_response_code = 0;
 String polled_response_header;
 PackedByteArray polled_response;
 
 #ifdef DEBUG_ENABLED
-bool has_polled;
-uint64_t last_polling_frame;
+bool has_polled = false;
+uint64_t last_polling_frame = 0;
 #endif
diff --git a/platform/javascript/http_client_javascript.cpp b/platform/javascript/http_client_javascript.cpp
index 863c207896..19ce7ef219 100644
--- a/platform/javascript/http_client_javascript.cpp
+++ b/platform/javascript/http_client_javascript.cpp
@@ -29,6 +29,7 @@
 /*************************************************************************/
 
 #include "core/io/http_client.h"
+
 #include "http_request.h"
 
 Error HTTPClient::connect_to_host(const String &p_host, int p_port, bool p_ssl, bool p_verify_host) {
@@ -281,15 +282,6 @@ Error HTTPClient::poll() {
 HTTPClient::HTTPClient() {
 
 	xhr_id = godot_xhr_new();
-	read_limit = 4096;
-	status = STATUS_DISCONNECTED;
-	port = -1;
-	use_tls = false;
-	polled_response_code = 0;
-#ifdef DEBUG_ENABLED
-	has_polled = false;
-	last_polling_frame = 0;
-#endif
 }
 
 HTTPClient::~HTTPClient() {