Set CMDER_START to homeprofile

This is to set CMDER_START to home when no directory is given.

This is to ensure it is set even though it will default to the home
directory anyway.

It’ll allow users to use CMDER_START even if started without a path.

launcher/src/CmderLauncher.cpp

@@ -3,6 +3,7 @@
 #include <Shlwapi.h>
 #include "resource.h"
 #include <vector>
+#include <Shlobj.h>
 
 
 #pragma comment(lib, "Shlwapi.lib")
@@ -155,7 +156,16 @@ void StartCmder(std::wstring path, bool is_single_mode)
 	}
 
 	SetEnvironmentVariable(L"CMDER_ROOT", exeDir);
-	if (!streqi(path.c_str(), L""))
+	if (streqi(path.c_str(), L""))
+	{
+		wchar_t* homeProfile = 0;
+		SHGetKnownFolderPath(FOLDERID_Profile, 0, NULL, &homeProfile);
+		if (!SetEnvironmentVariable(L"CMDER_START", homeProfile)) {
+			MessageBox(NULL, _T("Error trying to set CMDER_START to given path!"), _T("Error"), MB_OK);
+		}
+		CoTaskMemFree(static_cast<void*>(homeProfile));
+	}
+	else
 	{
 		if (!SetEnvironmentVariable(L"CMDER_START", path.c_str())) {
 			MessageBox(NULL, _T("Error trying to set CMDER_START to given path!"), _T("Error"), MB_OK);