- fixed: The TouchedActors array in the Dehacked parser was not freed after parsing was done.

- Initialize the alt HUD explicitly in D_DoomMain.
- don't let S_UnloadReverbDef leave a broken list of sound environments behind.
- Added more code to explicitly delete data before initializing it.

SVN r3039 (trunk)

src/thingdef/thingdef_expression.cpp

@@ -2765,7 +2765,7 @@ FStateExpressions StateParams;
 //
 //==========================================================================
 
-FStateExpressions::~FStateExpressions()
+void FStateExpressions::Clear()
 {
 	for(unsigned i=0; i<Size(); i++)
 	{
@@ -2774,6 +2774,7 @@ FStateExpressions::~FStateExpressions()
 			delete expressions[i].expr;
 		}
 	}
+	expressions.Clear();
 }
 
 //==========================================================================