*: add lost of "noexcept" specifications

src/db/plugins/ProxyDatabasePlugin.cxx

@@ -127,7 +127,7 @@ public:
 
 	unsigned Update(const char *uri_utf8, bool discard) override;
 
-	time_t GetUpdateStamp() const override {
+	time_t GetUpdateStamp() const noexcept override {
 		return update_stamp;
 	}
 

src/db/plugins/simple/Directory.hxx

@@ -187,7 +187,7 @@ public:
 	}
 
 	gcc_pure
-	const char *GetPath() const {
+	const char *GetPath() const noexcept {
 		return path.c_str();
 	}
 

src/db/plugins/simple/SimpleDatabasePlugin.hxx

@@ -76,7 +76,7 @@ public:
 				const ConfigBlock &block);
 
 	gcc_pure
-	Directory &GetRoot() {
+	Directory &GetRoot() noexcept {
 		assert(root != NULL);
 
 		return *root;
@@ -125,7 +125,7 @@ public:
 
 	DatabaseStats GetStats(const DatabaseSelection &selection) const override;
 
-	time_t GetUpdateStamp() const override {
+	time_t GetUpdateStamp() const noexcept override {
 		return mtime;
 	}
 

src/db/plugins/upnp/Object.hxx

@@ -60,7 +60,7 @@ public:
 	 * Parent's ObjectId
 	 */
 	std::string parent_id;
-	
+
 	std::string url;
 
 	/**
@@ -80,7 +80,7 @@ public:
 
 	UPnPDirObject &operator=(UPnPDirObject &&) = default;
 
-	void Clear() {
+	void Clear() noexcept {
 		id.clear();
 		parent_id.clear();
 		url.clear();
@@ -90,7 +90,7 @@ public:
 	}
 
 	gcc_pure
-	bool Check() const {
+	bool Check() const noexcept {
 		return !id.empty() && !parent_id.empty() && !name.empty() &&
 			(type != UPnPDirObject::Type::ITEM ||
 			 item_class != UPnPDirObject::ItemClass::UNKNOWN);

src/db/plugins/upnp/UpnpDatabasePlugin.cxx

@@ -93,7 +93,7 @@ public:
 
 	DatabaseStats GetStats(const DatabaseSelection &selection) const override;
 
-	time_t GetUpdateStamp() const override {
+	time_t GetUpdateStamp() const noexcept override {
 		return 0;
 	}