Fix non-pch compliation

aegisub/libaegisub/common/mru.cpp

@@ -28,6 +28,8 @@
 #include "libaegisub/option.h"
 #include "libaegisub/option_value.h"
 
+#include <fstream>
+
 namespace agi {
 
 MRUManager::MRUManager(agi::fs::path const& config, std::string const& default_config, agi::Options *options)

aegisub/libaegisub/common/option.cpp

@@ -33,6 +33,7 @@
 
 #include <boost/range/adaptor/map.hpp>
 #include <cassert>
+#include <fstream>
 #include <memory>
 #include <sstream>
 

aegisub/src/audio_controller.cpp

@@ -54,6 +54,7 @@
 #include <libaegisub/path.h>
 
 #include <algorithm>
+#include <fstream>
 
 AudioController::AudioController(agi::Context *context)
 : context(context)

aegisub/src/audio_provider_hd.cpp

@@ -52,6 +52,7 @@
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/algorithm/string/replace.hpp>
 #include <boost/filesystem.hpp>
+#include <fstream>
 
 namespace {
 agi::fs::path cache_dir() {

aegisub/src/dialog_shift_times.cpp

@@ -47,6 +47,7 @@
 #include <libaegisub/cajun/writer.h>
 
 #include <algorithm>
+#include <fstream>
 #include <vector>
 
 #include <wx/listbox.h>

aegisub/src/spellchecker_hunspell.cpp

@@ -32,9 +32,9 @@
 #include <libaegisub/log.h>
 #include <libaegisub/path.h>
 
-#include <hunspell/hunspell.hxx>
-
 #include <boost/format.hpp>
+#include <fstream>
+#include <hunspell/hunspell.hxx>
 
 HunspellSpellChecker::HunspellSpellChecker()
 : lang_listener(OPT_SUB("Tool/Spell Checker/Language", &HunspellSpellChecker::OnLanguageChanged, this))

aegisub/src/subtitle_format_ebu3264.cpp

@@ -40,6 +40,7 @@
 #include <libaegisub/of_type_adaptor.h>
 
 #include <boost/algorithm/string/replace.hpp>
+#include <fstream>
 
 namespace
 {

aegisub/src/text_file_writer.cpp

@@ -30,6 +30,7 @@
 
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/filesystem.hpp>
+#include <fstream>
 
 TextFileWriter::TextFileWriter(agi::fs::path const& filename, std::string encoding)
 : file(new agi::io::Save(filename, true))