buffer size

winphone/WinPhoneUtil.cpp

@@ -9,7 +9,7 @@ GetRootPath()
 	{
 		Platform::String^ localfolder = Windows::Storage::ApplicationData::Current->LocalFolder->Path;
 		const char16 *begin = localfolder->Begin();
-		WideCharToMultiByte(CP_ACP, 0, begin, -1, buf, 256, NULL, FALSE);
+		WideCharToMultiByte(CP_ACP, 0, begin, -1, buf, 1024, NULL, FALSE);
 	}
 	return buf;
 }
@@ -22,7 +22,7 @@ GetInstallPath()
 	{
 		Platform::String^ installfolder = Windows::ApplicationModel::Package::Current->InstalledLocation->Path;
 		const char16 *begin = installfolder->Begin();
-		WideCharToMultiByte(CP_ACP, 0, begin, -1, buf, 256, NULL, FALSE);
+		WideCharToMultiByte(CP_ACP, 0, begin, -1, buf, 1024, NULL, FALSE);
 	}
 	return buf;
 }