Fix build

internal/model/model.go

@@ -1495,7 +1495,7 @@ func (m *Model) GlobalDirectoryTree(folder, prefix string, levels int, dirsonly
 	return output
 }
 
-func (m *Model) availability(folder, file string) []protocol.DeviceID {
+func (m *Model) Availability(folder, file string) []protocol.DeviceID {
 	// Acquire this lock first, as the value returned from foldersFiles can
 	// get heavily modified on Close()
 	m.pmut.RLock()

internal/model/puller.go

@@ -872,7 +872,7 @@ func (p *Puller) pullerRoutine(in <-chan pullBlockState, out chan<- *sharedPulle
 		}
 
 		var lastError error
-		potentialDevices := p.model.availability(p.folder, state.file.Name)
+		potentialDevices := p.model.Availability(p.folder, state.file.Name)
 		for {
 			// Select the least busy device to pull the block from. If we found no
 			// feasible device at all, fail the block (and in the long run, the