k_handle_table: Remove cast to void* in GetObjectForIpc

This was used to get around the KProcess class being incomplete. We can
just move this to the cpp file and eliminate the cast entirely, letting
the compiler do its work.

src/core/hle/kernel/k_handle_table.cpp

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "core/hle/kernel/k_handle_table.h"
+#include "core/hle/kernel/k_process.h"
 
 namespace Kernel {
 
@@ -82,6 +83,22 @@ Result KHandleTable::Add(Handle* out_handle, KAutoObject* obj) {
     R_SUCCEED();
 }
 
+KScopedAutoObject<KAutoObject> KHandleTable::GetObjectForIpc(Handle handle,
+                                                             KThread* cur_thread) const {
+    // Handle pseudo-handles.
+    ASSERT(cur_thread != nullptr);
+    if (handle == Svc::PseudoHandle::CurrentProcess) {
+        auto* const cur_process = cur_thread->GetOwnerProcess();
+        ASSERT(cur_process != nullptr);
+        return cur_process;
+    }
+    if (handle == Svc::PseudoHandle::CurrentThread) {
+        return cur_thread;
+    }
+
+    return GetObjectForIpcWithoutPseudoHandle(handle);
+}
+
 Result KHandleTable::Reserve(Handle* out_handle) {
     KScopedDisableDispatch dd{m_kernel};
     KScopedSpinLock lk(m_lock);

src/core/hle/kernel/k_handle_table.h

@@ -113,21 +113,7 @@ public:
         return this->GetObjectImpl(handle);
     }
 
-    KScopedAutoObject<KAutoObject> GetObjectForIpc(Handle handle, KThread* cur_thread) const {
-        // Handle pseudo-handles.
-        ASSERT(cur_thread != nullptr);
-        if (handle == Svc::PseudoHandle::CurrentProcess) {
-            auto* const cur_process =
-                static_cast<KAutoObject*>(static_cast<void*>(cur_thread->GetOwnerProcess()));
-            ASSERT(cur_process != nullptr);
-            return cur_process;
-        }
-        if (handle == Svc::PseudoHandle::CurrentThread) {
-            return static_cast<KAutoObject*>(cur_thread);
-        }
-
-        return GetObjectForIpcWithoutPseudoHandle(handle);
-    }
+    KScopedAutoObject<KAutoObject> GetObjectForIpc(Handle handle, KThread* cur_thread) const;
 
     KScopedAutoObject<KAutoObject> GetObjectByIndex(Handle* out_handle, size_t index) const {
         KScopedDisableDispatch dd{m_kernel};