fix incorrect folder name for julia-0.6.x

Former-commit-id: ef2c7401e0876f22d2f7762d182cfbcd5a7d9c70

julia-0.6.3/include/julia/libsupport.h

@@ -0,0 +1,33 @@
+// This file is a part of Julia. License is MIT: https://julialang.org/license
+
+#ifndef LIBSUPPORT_H
+#define LIBSUPPORT_H
+
+#include "platform.h"
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <assert.h>
+#include "dtypes.h"
+#include "utils.h"
+#include "utf8.h"
+#include "ios.h"
+#include "timefuncs.h"
+#include "hashing.h"
+#include "ptrhash.h"
+#include "bitvector.h"
+#include "dirpath.h"
+#include "strtod.h"
+#include "crc32c.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+JL_DLLEXPORT void libsupport_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif