Move cursor and deck variable definitions to game.c

src/cursor.c

@@ -8,8 +8,6 @@
 #include "game.h"
 #include "common.h"
 
-struct cursor *cursor;
-
 void cursor_malloc(struct cursor **cursor) {
   if (!(*cursor = malloc(sizeof(**cursor)))) {
     tty_solitaire_generic_error(errno, __FILE__, __LINE__);

src/deck.c

@@ -5,8 +5,6 @@
 #include "deck.h"
 #include "common.h"
 
-struct deck *deck;
-
 void deck_malloc(struct deck **deck) {
   if (!(*deck = malloc(sizeof(**deck)))) {
     tty_solitaire_generic_error(errno, __FILE__, __LINE__);

src/game.c

@@ -13,6 +13,9 @@
 #include "gui.h"
 #include "stack.h"
 
+struct deck *deck;
+struct cursor *cursor;
+
 static int foundation_begin_x(int x) {
   switch (x) {
   case 0: