fix incorrect folder name for julia-0.6.x

Former-commit-id: ef2c7401e0876f22d2f7762d182cfbcd5a7d9c70

julia-0.6.3/include/julia/arraylist.h

@@ -0,0 +1,30 @@
+// This file is a part of Julia. License is MIT: https://julialang.org/license
+
+#ifndef ARRAYLIST_H
+#define ARRAYLIST_H
+
+#define AL_N_INLINE 29
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    size_t len;
+    size_t max;
+    void **items;
+    void *_space[AL_N_INLINE];
+} arraylist_t;
+
+arraylist_t *arraylist_new(arraylist_t *a, size_t size);
+void arraylist_free(arraylist_t *a);
+
+void arraylist_push(arraylist_t *a, void *elt);
+void *arraylist_pop(arraylist_t *a);
+void arraylist_grow(arraylist_t *a, size_t n);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif