AGS: Use a namespace alias to keep std namespace as in original code

engines/ags/engine/ac/route_finder_jps.cpp

@@ -32,6 +32,8 @@
 #include "common/std/functional.h"
 #include "common/std/xutility.h"
 
+#include "ags/lib/std.h"
+
 namespace AGS3 {
 
 // TODO: this could be cleaned up/simplified ...

engines/ags/engine/ac/timer.h

@@ -26,6 +26,8 @@
 #include "common/std/chrono.h"
 #include "common/std/xtr1common.h"
 
+#include "ags/lib/std.h"
+
 namespace AGS3 {
 
 // use high resolution clock only if we know it is monotonic/steady.

engines/ags/lib/std.h

@@ -0,0 +1,35 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef AGS_LIB_STD_H
+#define AGS_LIB_STD_H
+
+// Declare Std namespace
+namespace Std {
+}
+
+// Map Common::Std to AGS3::std
+namespace AGS3 {
+	namespace std = ::Std;
+} // namespace AGS3
+
+
+#endif

engines/ags/shared/core/types.h

@@ -29,6 +29,7 @@
 #define AGS_SHARED_CORE_TYPES_H
 
 #include "common/scummsys.h"
+#include "ags/lib/std.h"
 
 namespace AGS3 {
 

engines/ags/shared/font/wfn_font_renderer.h

@@ -23,6 +23,7 @@
 #define AGS_SHARED_FONT_WFN_FONT_RENDERER_H
 
 #include "common/std/map.h"
+#include "ags/lib/std.h"
 #include "ags/shared/font/ags_font_renderer.h"
 
 namespace AGS3 {

engines/ags/shared/util/math.h

@@ -30,6 +30,8 @@
 
 #include "common/std/limits.h"
 
+#include "ags/lib/std.h"
+
 namespace AGS3 {
 
 #ifndef M_PI