renamed SpellChecker::destroy to destroyAll, because the former conflicted with IntrusivePtrBase::destroy. The result was that destroy was called recursively and objects were freed multiple times.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1264 0fc631ac-6414-0410-93d0-97cfa31319b6

src/main.cpp

@@ -8,6 +8,7 @@
 
 #include <util/prec.hpp>
 #include <util/io/package_manager.hpp>
+#include <util/spell_checker.hpp>
 #include <data/game.hpp>
 #include <data/set.hpp>
 #include <data/settings.hpp>
@@ -258,6 +259,7 @@ int MSE::OnExit() {
 	thumbnail_thread.abortAll();
 	settings.write();
 	package_manager.destroy();
+	SpellChecker::destroyAll();
 	return 0;
 }