Fix a missing include that was causing problems on some platforms

src/particles/coal/TarSootReaction/TarAndSootInfo.cpp

@@ -23,8 +23,10 @@
  */
 
 #include <sstream>
-#include "TarAndSootInfo.h"
 #include <iostream>
+#include <cassert>
+
+#include "TarAndSootInfo.h"
 
   TarAndSootInfo::TarAndSootInfo():
     hasBeenSetup_(false),