zfs: standardize case spelling of NewZFSCollector

Ensure identical factory function name across arch-specific files so
that the common init() function in zfs.go works.

Signed-off-by: Daniel Swarbrick <daniel.swarbrick@gmail.com>

collector/zfs_freebsd.go

@@ -30,7 +30,7 @@ const (
 	zfsCollectorSubsystem = "zfs"
 )
 
-func NewZfsCollector(logger *slog.Logger) (Collector, error) {
+func NewZFSCollector(logger *slog.Logger) (Collector, error) {
 	return &zfsCollector{
 		sysctls: []bsdSysctl{
 			{

collector/zfs_solaris.go

@@ -61,7 +61,7 @@ const (
 	zfsCollectorSubsystem = "zfs"
 )
 
-func NewZfsCollector(logger *slog.Logger) (Collector, error) {
+func NewZFSCollector(logger *slog.Logger) (Collector, error) {
 	return &zfsCollector{
 		abdstatsLinearCount: prometheus.NewDesc(
 			prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "abdstats_linear_count_total"),