marked controller constructors as explicit

src/core/hle/service/hid/controllers/controller_base.h

@@ -18,7 +18,7 @@ class System;
 namespace Service::HID {
 class ControllerBase {
 public:
-    ControllerBase(Core::System& system);
+    explicit ControllerBase(Core::System& system);
     virtual ~ControllerBase();
 
     // Called when the controller is initialized

src/core/hle/service/hid/controllers/gesture.h

@@ -12,7 +12,7 @@
 namespace Service::HID {
 class Controller_Gesture final : public ControllerBase {
 public:
-    Controller_Gesture(Core::System& system);
+    explicit Controller_Gesture(Core::System& system);
     ~Controller_Gesture() override;
 
     // Called when the controller is initialized

src/core/hle/service/hid/controllers/keyboard.h

@@ -15,7 +15,7 @@
 namespace Service::HID {
 class Controller_Keyboard final : public ControllerBase {
 public:
-    Controller_Keyboard(Core::System& system);
+    explicit Controller_Keyboard(Core::System& system);
     ~Controller_Keyboard() override;
 
     // Called when the controller is initialized

src/core/hle/service/hid/controllers/mouse.h

@@ -14,7 +14,7 @@
 namespace Service::HID {
 class Controller_Mouse final : public ControllerBase {
 public:
-    Controller_Mouse(Core::System& system);
+    explicit Controller_Mouse(Core::System& system);
     ~Controller_Mouse() override;
 
     // Called when the controller is initialized

src/core/hle/service/hid/controllers/npad.h

@@ -20,7 +20,7 @@ constexpr u32 NPAD_UNKNOWN = 16; // TODO(ogniK): What is this?
 
 class Controller_NPad final : public ControllerBase {
 public:
-    Controller_NPad(Core::System& system);
+    explicit Controller_NPad(Core::System& system);
     ~Controller_NPad() override;
 
     // Called when the controller is initialized

src/core/hle/service/hid/controllers/stubbed.h

@@ -10,7 +10,7 @@
 namespace Service::HID {
 class Controller_Stubbed final : public ControllerBase {
 public:
-    Controller_Stubbed(Core::System& system);
+    explicit Controller_Stubbed(Core::System& system);
     ~Controller_Stubbed() override;
 
     // Called when the controller is initialized

src/core/hle/service/hid/controllers/touchscreen.h

@@ -14,7 +14,7 @@
 namespace Service::HID {
 class Controller_Touchscreen final : public ControllerBase {
 public:
-    Controller_Touchscreen(Core::System& system);
+    explicit Controller_Touchscreen(Core::System& system);
     ~Controller_Touchscreen() override;
 
     // Called when the controller is initialized

src/core/hle/service/hid/controllers/xpad.h

@@ -12,7 +12,7 @@
 namespace Service::HID {
 class Controller_XPad final : public ControllerBase {
 public:
-    Controller_XPad(Core::System& system);
+    explicit Controller_XPad(Core::System& system);
     ~Controller_XPad() override;
 
     // Called when the controller is initialized