Fix warnings on printf'ing size_t as %d

Author: AMDmi3

src/ItemStorage.cpp

@@ -58,7 +58,7 @@ void ItemStorage::setItems(string s) {
 			storage[i].quantity = 0;
 		}
 		else if ((unsigned)storage[i].item > items->items.size()-1) {
-			fprintf(stderr, "Item id (%d) out of bounds 1-%d, skipping\n", storage[i].item, items->items.size());
+			fprintf(stderr, "Item id (%d) out of bounds 1-%d, skipping\n", storage[i].item, (int)items->items.size());
 			storage[i].item = 0;
 			storage[i].quantity = 0;
 		}

src/SaveLoad.cpp

@@ -262,7 +262,7 @@ void GameStatePlay::loadGame() {
 						hotkeys[i] = 0;
 					}
 					else if ((unsigned)hotkeys[i] > powers->powers.size()-1) {
-						fprintf(stderr, "Hotkey power id (%d) out of bounds 1-%d, skipping\n", hotkeys[i], powers->powers.size());
+						fprintf(stderr, "Hotkey power id (%d) out of bounds 1-%d, skipping\n", hotkeys[i], (int)powers->powers.size());
 						hotkeys[i] = 0;
 					}
 					else if (hotkeys[i] != 0 && powers->powers[hotkeys[i]].name == "") {