Reorder precise captured params to print lifetimes before idents

[dtolnay]

This matches how we already reorder lifetimes inside angle bracketed generic path arguments and generic params.

syn/src/path.rs

Lines 808 to 809 in b387249

	// Print lifetimes before types/consts/bindings, regardless of their
	// order in args.

syn/src/generics.rs

Lines 1096 to 1097 in b387249

	// Print lifetimes before types and consts, regardless of their
	// order in self.params.

syn/src/generics.rs

Lines 1130 to 1131 in b387249

	// Print lifetimes before types and consts, regardless of their
	// order in self.params.

syn/src/generics.rs

Lines 1182 to 1183 in b387249

	// Print lifetimes before types and consts, regardless of their
	// order in self.params.