Fix inability to boot NAND contents caused by 04c41c1.

Might be nice to refactor this code to decrease duplication, but for now
just a fix.

Source/Core/Core/Src/Boot/Boot_WiiWAD.cpp

@@ -19,6 +19,8 @@
 #include "VolumeCreator.h"
 #include "CommonPaths.h"
 
+#include <memory>
+
 static u32 state_checksum(u32 *buf, int len)
 {
 	u32 checksum = 0;
@@ -89,9 +91,17 @@ bool CBoot::Boot_WiiWAD(const char* _pFilename)
 
 	WII_IPC_HLE_Interface::SetDefaultContentFile(_pFilename);
 
-	CDolLoader DolLoader(pContent->m_pData, pContent->m_Size);
-	DolLoader.Load();
-	PC = DolLoader.GetEntryPoint() | 0x80000000;
+	std::unique_ptr<CDolLoader> pDolLoader;
+	if (pContent->m_pData)
+	{
+		pDolLoader.reset(new CDolLoader(pContent->m_pData, pContent->m_Size));
+	}
+	else
+	{
+		pDolLoader.reset(new CDolLoader(pContent->m_Filename.c_str()));
+	}
+	pDolLoader->Load();
+	PC = pDolLoader->GetEntryPoint() | 0x80000000;
 
 	// Pass the "#002 check"
 	// Apploader should write the IOS version and revision to 0x3140, and compare it

Source/Core/Core/Src/IPC_HLE/WII_IPC_HLE_Device_es.cpp

@@ -847,12 +847,19 @@ bool CWII_IPC_HLE_Device_es::IOCtlV(u32 _CommandAddress)
 					if (pContent)
 					{
 						LoadWAD(Common::GetTitleContentPath(TitleID));
-						CDolLoader DolLoader(pContent->m_pData, pContent->m_Size);
-						DolLoader.Load(); // TODO: Check why sysmenu does not load the DOL correctly
-						PC = DolLoader.GetEntryPoint() | 0x80000000;
+						std::unique_ptr<CDolLoader> pDolLoader;
+						if (pContent->m_pData)
+						{
+							pDolLoader.reset(new CDolLoader(pContent->m_pData, pContent->m_Size));
+						}
+						else
+						{
+							pDolLoader.reset(new CDolLoader(pContent->m_Filename.c_str()));
+						}
+						pDolLoader->Load(); // TODO: Check why sysmenu does not load the DOL correctly
+						PC = pDolLoader->GetEntryPoint() | 0x80000000;
 						IOSv = ContentLoader.GetIosVersion();
 						bSuccess = true;
-
 					}
 				}
 			}