[go][vx] Add FsRightExecutable

Change-Id: I4ff8ec6f57069653139a7f565f653c583552a725
diff --git a/src/syscall/syscall_fuchsia.go b/src/syscall/syscall_fuchsia.go
index 7ce9eb7..7b85015 100644
--- a/src/syscall/syscall_fuchsia.go
+++ b/src/syscall/syscall_fuchsia.go
@@ -27,7 +27,8 @@
 	FsRightReadable       = 0x00000001
 	FsRightWritable       = 0x00000002
 	FsRightAdmin          = 0x00000004
-	FsRights              = FsRightReadable | FsRightWritable | FsRightAdmin
+	FsRightExecutable     = 0x00000008
+	FsRights              = FsRightReadable | FsRightWritable | FsRightAdmin | FsRightExecutable
 	FsRightSpace          = 0x0000FFFF
 	FsFlagCreate          = 0x00010000
 	FsFlagExclusive       = 0x00020000