fixed a segfault caused by formula ai self-reference-counting quirks,

...plus removed some accidential whitespace.

src/ai/ai.cpp

@@ -243,6 +243,7 @@ ai_default::ai_default(ai::readwrite_context &context) :
 	recruiting_preferred_(0),
 	formula_ai_(NULL)
 {
+	add_ref();
 }
 
 ai_default::~ai_default(){

src/ai/ai2.hpp

@@ -34,7 +34,7 @@ public:
 		set_side(side);
 	}
 	int get_recursion_count() const{
-		return recursion_counter_.get_count();		
+		return recursion_counter_.get_count();
 	}
 private:
 	ai::recursion_counter recursion_counter_;

src/ai/ai_dfool.hpp

@@ -101,7 +101,7 @@ namespace dfool {
    */
   class dfool_ai : public ai::readwrite_context_proxy, public ai_interface {
   public:
-	dfool_ai(ai::readwrite_context &context) 
+	dfool_ai(ai::readwrite_context &context)
 		: ai::side_context_proxy(context), ai::readonly_context_proxy(context), ai::readwrite_context_proxy(context), recursion_counter_(context.get_recursion_count()), unit_memory_(current_team().ai_memory()){}
 	void play_turn();
 	virtual std::string describe_self();

src/ai/contexts.cpp

@@ -49,19 +49,19 @@ namespace ai {
 
 int side_context_impl::get_recursion_count() const
 {
-	return recursion_counter_.get_count();	
+	return recursion_counter_.get_count();
 }
 
 
 int readonly_context_impl::get_recursion_count() const
 {
-	return recursion_counter_.get_count();	
+	return recursion_counter_.get_count();
 }
 
 
 int readwrite_context_impl::get_recursion_count() const
 {
-	return recursion_counter_.get_count();	
+	return recursion_counter_.get_count();
 }
 
 

src/ai/contexts.hpp

@@ -41,7 +41,7 @@ namespace ai {
 // recursion counter
 class recursion_counter {
 public:
-	recursion_counter(int counter)	
+	recursion_counter(int counter)
 		: counter_(counter++)
 	{
 		if (counter > MAX_COUNTER_VALUE ) {
@@ -52,7 +52,7 @@ public:
 	int get_count() const{
 		return counter_;
 	}
-		
+
 	static const int MAX_COUNTER_VALUE = 100;//max recursion depth
 private:
 	int counter_;
@@ -71,7 +71,6 @@ public:
 
 	virtual side_context& get_side_context() = 0;
 	virtual int get_recursion_count() const = 0;
-	
 };
 
 class readonly_context;
@@ -350,7 +349,7 @@ public:
 	/**
 	 * Unwrap - this class is not a proxy, so return *this
 	 */
-	virtual readonly_context& get_readonly_context() 
+	virtual readonly_context& get_readonly_context()
 	{
 		return *this;
 	}
@@ -479,7 +478,7 @@ public:
 	/**
 	 * Unwrap - this class is not a proxy, so return *this
 	 */
-	virtual readwrite_context& get_readwrite_context() 
+	virtual readwrite_context& get_readwrite_context()
 	{
 		return *this;
 	}

src/ai/formula_ai.cpp

@@ -1623,6 +1623,7 @@ formula_ai::formula_ai(ai::readwrite_context &context) :
 	function_table(*this),
 	candidate_action_manager_()
 {
+	add_ref();
 }
 
 void formula_ai::handle_exception(game_logic::formula_error& e) const