hle/service: Make constructors explicit where applicable

Prevents implicit construction and makes these lingering non-explicit
constructors consistent with the rest of the other classes in services.

src/core/hle/service/fatal/fatal.h

@@ -12,7 +12,7 @@ class Module final {
 public:
     class Interface : public ServiceFramework<Interface> {
     public:
-        Interface(std::shared_ptr<Module> module, const char* name);
+        explicit Interface(std::shared_ptr<Module> module, const char* name);
 
         void ThrowFatalWithPolicy(Kernel::HLERequestContext& ctx);
         void ThrowFatalWithCpuContext(Kernel::HLERequestContext& ctx);