Fix windows leak when close PPSSPP by Gemini

'PPSSPPDebug64.exe' (Win32): Unloaded 'C:\Windows\System32\mfreadwrite.dll'
The thread 'RecentISOThreadFunc' (9920) has exited with code 0 (0x0).
The thread 'Console' (10488) has exited with code 0 (0x0).
Detected memory leaks!
Dumping objects ->
{17571338} normal block at 0x00000214CC4A3FE0, 16 bytes long.
 Data: < Cf             > E8 43 66 CD 14 02 00 00 00 00 00 00 00 00 00 00
{17571337} normal block at 0x00000214CC4A3B80, 16 bytes long.
 Data: < Cf             > C8 43 66 CD 14 02 00 00 00 00 00 00 00 00 00 00
D:\project\memory_leak\ppsspp\Windows\Debugger\Debugger_Disasm.cpp(174) : {17571336} normal block at 0x00000214CD664190, 640 bytes long.
 Data: < C              > 90 43 F2 C0 F6 7F 00 00 F6 0C 04 00 00 00 00 00
D:\project\memory_leak\ppsspp\UI\NativeApp.cpp(879) : {84582} normal block at 0x00000214CE8C5DB0, 4224 bytes long.
 Data: <                > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
{2432} normal block at 0x00000214D6255C20, 16 bytes long.
 Data: <0 $             > 30 E7 24 D6 14 02 00 00 00 00 00 00 00 00 00 00
D:\project\memory_leak\ppsspp\Common\Net\HTTPNaettRequest.cpp(43) : {2431} normal block at 0x00000214D624E730, 32 bytes long.
 Data: < \%             > 20 5C 25 D6 14 02 00 00 00 00 00 00 00 00 00 00
Object dump complete.
The thread 22000 has exited with code 0 (0x0).
The thread 21248 has exited with code 0 (0x0).
The thread 38104 has exited with code 0 (0x0).
The thread 27860 has exited with code 0 (0x0).
The thread 33240 has exited with code 0 (0x0).
The thread 29352 has exited with code 0 (0x0).
The thread 13964 has exited with code 0 (0x0).
The thread 5640 has exited with code 0 (0x0).
The thread 10528 has exited with code 0 (0x0).
The thread 15252 has exited with code 0 (0x0).
The thread 23016 has exited with code 0 (0x0).
The thread 31424 has exited with code 0 (0x0).
The thread 7000 has exited with code 0 (0x0).
The thread 11620 has exited with code 0 (0x0).
The thread 36264 has exited with code 0 (0x0).
The thread 27248 has exited with code 0 (0x0).
The thread 24780 has exited with code 0 (0x0).
The thread 26228 has exited with code 0 (0x0).
The thread 13676 has exited with code 0 (0x0).
The thread 16828 has exited with code 0 (0x0).
The thread 27388 has exited with code 0 (0x0).
The thread 1668 has exited with code 0 (0x0).
The thread 37272 has exited with code 0 (0x0).
The program '[23456] PPSSPPDebug64.exe' has exited with code 0 (0x0).

Common/Net/HTTPNaettRequest.cpp

@@ -40,7 +40,12 @@ struct NaettBodySink {
 // while a callback might still be in flight, and neither can these, so both are deliberately
 // leaked. Allocated with new and never deleted, so it can't be destroyed out from under a late
 // callback during static destruction either.
-static std::vector<std::unique_ptr<NaettBodySink>> *g_abandonedSinks = new std::vector<std::unique_ptr<NaettBodySink>>();
+static std::vector<std::unique_ptr<NaettBodySink>> *g_abandonedSinks = nullptr;
+
+void HTTPSShutdown() {
+	delete g_abandonedSinks;
+	g_abandonedSinks = nullptr;
+}
 
 int HTTPSRequest::WriteBodyThunk(const void *source, int bytes, void *userData) {
 	NaettBodySink *sink = (NaettBodySink *)userData;
@@ -141,6 +146,9 @@ void HTTPSRequest::Join() {
 		WARN_LOG(Log::HTTP, "Abandoning an unfinished request to '%s' - shutting down", url_.c_str());
 		if (sink_) {
 			sink_->cancelled = true;
+			if (!g_abandonedSinks) {
+				g_abandonedSinks = new std::vector<std::unique_ptr<NaettBodySink>>();
+			}
 			g_abandonedSinks->push_back(std::move(sink_));
 		}
 		res_ = nullptr;