gir: Correct usage of the closure annotation (#704) #118

Job	Run time
build / build (mint22, linuxmintd/mint22-amd64, Mint 22, true) / Mint 22	6m 5s
build / build (lmde6, linuxmintd/lmde6-amd64, LMDE 6, false) / LMDE 6	5m 19s
	11m 24s

Provide feedback