Fixed compilation errors on gcc 10 because it is more strict (which i…

…s good, my code made not much sense tbh)

about.c

@@ -10,7 +10,7 @@ void start_about(spFontPointer font, void ( *resize )( Uint16 w, Uint16 h ))
 	window->height += font->maxheight*16;
 	window->only_ok = 1;
 	modal_window(window,resize);
-	delete_window(window);	
+	delete_window(window);
 }
 
 const char help_text[] =
@@ -45,7 +45,6 @@ const char help_text[] =
 
 spTextBlockPointer help_block;
 Sint32 help_scroll;
-spFontPointer help_font;
 struct
 {
 	int x;
@@ -189,6 +188,6 @@ void start_help(spFontPointer font, void ( *resize )( Uint16 w, Uint16 h ))
 	help_scroll = 0;
 	help_font = font;
 	spLoop(help_draw,help_calc,10,resize,NULL);
-	
+
 	spDeleteTextBlock(help_block);
 }

client.c

@@ -8,6 +8,7 @@ spNetIP ip;
 
 char hase_url[512] = "";
 char hase_gzip = 0;
+int last_heartbeat_diff = -1;
 
 void addToMessage(pMessage *message, char* name, char* content)
 {
@@ -39,8 +40,6 @@ void deleteMessage(pMessage *message)
 #define INPUT_COMPRESSION
 #endif
 
-int last_heartbeat_diff = -1;
-
 pMessage sendMessage(pMessage message,char* binary_name,void* binary,int count,char* dest,char* server)
 {
 	char boundary[17] = "A9B8C7D6E5F4G3H2"; //This should maybe random...

client.h

@@ -150,6 +150,8 @@ typedef struct sThreadData
 	pThreadData next;
 } tThreadData;
 
+extern int last_heartbeat_diff;
+
 int server_info();
 pGame create_game(char* game_name,Uint32 options,int seconds_per_turn,char* level_string,int local,int hares_per_player);
 void delete_game_list(pGame game);