add required precompiled header include

This was SVN commit r1431.

source/graphics/Material.cpp

@@ -1,3 +1,5 @@
+#include "precompiled.h"
+
 #include "ogl.h"
 #include "res/res.h"
 #include "Material.h"

source/lib/res/ogghack.cpp

@@ -1,5 +1,4 @@
-#ifndef __ogg_h__
-#define __ogg_h__
+#include "precompiled.h"
 
 #include <string>
 #include <iostream>
@@ -21,11 +20,6 @@
 #define BUFFER_SIZE (4096 * 4)
 
 
-
-
-#endif // __ogg_h__
-
-
 struct Buf
 {
 	void* p;

source/scripting/ScriptableObject.cpp

@@ -0,0 +1 @@
+#include "precompiled.h"

source/simulation/ScriptObject.cpp

@@ -1,3 +1,5 @@
+#include "precompiled.h"
+
 #include "ScriptObject.h"
 #include "Entity.h"
 

source/tests/Tests.cpp

@@ -1,3 +1,5 @@
+#include "precompiled.h"
+
 #include "ps/CLogger.h"
 #include "ps/Parser.h"