Add solaris build support

Signed-off-by: Edward Pilatowicz <edward.pilatowicz@oracle.com>

sys/stat_unix.go

@@ -0,0 +1,19 @@
+// +build linux solaris
+
+package sys
+
+import (
+	"syscall"
+)
+
+func StatAtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Atim
+}
+
+func StatCtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Ctim
+}
+
+func StatMtime(st *syscall.Stat_t) syscall.Timespec {
+	return st.Mtim
+}