Mark PlayerInventory#getItem as nullable

Spigot-API-Patches/0050-Fix-upstream-javadoc-warnings-and-errors.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Fix upstream javadoc warnings and errors
 Upstream still refuses to use Java 8 with the API so they are likely unaware these are even issues.
 
 diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
-index 742c7b5a1919e2c3a70891d6c34756076c386368..41ee7e4796265f5999cc5f0dde7faea78bbc04c1 100644
+index fd235f7ac71b0243d2189e89efb232915991f9ff..b422abde1a504aa36c726e1c0597da11c1b6afd0 100644
 --- a/src/main/java/org/bukkit/entity/Player.java
 +++ b/src/main/java/org/bukkit/entity/Player.java
 @@ -499,7 +499,7 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
@@ -63,3 +63,16 @@ index 1b2267f4e8ebded198773ec80e2bff2c861c7084..1a58734d919fae247eeb85dd785fd599
      public Location getTo() {
          return to;
      }
+diff --git a/src/main/java/org/bukkit/inventory/PlayerInventory.java b/src/main/java/org/bukkit/inventory/PlayerInventory.java
+index 91afd844dafec4ed9ab9e2e16b220ffbd35e7495..1e45c9078ffffe9d3c25538fdd433780ae751270 100644
+--- a/src/main/java/org/bukkit/inventory/PlayerInventory.java
++++ b/src/main/java/org/bukkit/inventory/PlayerInventory.java
+@@ -106,7 +106,7 @@ public interface PlayerInventory extends Inventory {
+      *
+      * @return the ItemStack in the given slot
+      */
+-    @NotNull
++    @Nullable
+     public ItemStack getItem(@NotNull EquipmentSlot slot);
+ 
+     /**