some corrections on windows

io/crossplatformlib.cpp

@@ -2,24 +2,24 @@
 
 #include <QDebug>
 
-void *LibLoad(const QString &filename) {
+ModulePtr LibLoad(const QString &filename) {
 #ifdef _WIN32
-    LPCWSTR dll_fn_w = reinterpret_cast<const wchar_t*>(filename.utf16());
-    return LoadLibrary(dll_fn_w);
+	LPCWSTR dll_fn_w = reinterpret_cast<const wchar_t*>(filename.utf16());
+	return LoadLibrary(dll_fn_w);
 #elif __linux__
-    return dlopen(filename.toUtf8(), RTLD_LAZY);
+	return dlopen(filename.toUtf8(), RTLD_LAZY);
 #else
-    qWarning() << "Olive doesn't know how to open dynamic libraries on this platform, external libraries will not be functional";
-    return nullptr;
+	qWarning() << "Olive doesn't know how to open dynamic libraries on this platform, external libraries will not be functional";
+	return nullptr;
 #endif
 }
 
 QStringList LibFilter() {
 #ifdef _WIN32
-    return QStringList("*.dll");
+	return QStringList("*.dll");
 #elif __linux__
-    return QStringList("*.so");
+	return QStringList("*.so");
 #elif __APPLE__
-    return QStringList("*.dylib");
+	return QStringList("*.dylib");
 #endif
 }