modification of rb_get_expanded_load_path to handle /a/b/../c

gistfile1.diff

diff --git a/load.c b/load.c
index 185d6e0..5e6b9d0 100644
--- a/load.c
+++ b/load.c
@@ -48,14 +48,6 @@ rb_get_expanded_load_path(void)
     VALUE ary;
     long i;
 
-    for (i = 0; i < RARRAY_LEN(load_path); ++i) {
-       VALUE str = rb_check_string_type(RARRAY_PTR(load_path)[i]);
-       if (NIL_P(str) || !rb_is_absolute_path(RSTRING_PTR(str)))
-           goto relative_path_found;
-    }
-    return load_path;
-
-  relative_path_found:
     ary = rb_ary_new2(RARRAY_LEN(load_path));
     for (i = 0; i < RARRAY_LEN(load_path); ++i) {
        VALUE path = rb_file_expand_path(RARRAY_PTR(load_path)[i], Qnil);

original.c

VALUE
rb_get_expanded_load_path(void)
{
    VALUE load_path = rb_get_load_path();
    VALUE ary;
    long i;

    for (i = 0; i < RARRAY_LEN(load_path); ++i) {
	VALUE str = rb_check_string_type(RARRAY_PTR(load_path)[i]);
	if (NIL_P(str) || !rb_is_absolute_path(RSTRING_PTR(str)))
	    goto relative_path_found;
    }
    return load_path;

  relative_path_found:
    ary = rb_ary_new2(RARRAY_LEN(load_path));
    for (i = 0; i < RARRAY_LEN(load_path); ++i) {
	VALUE path = rb_file_expand_path(RARRAY_PTR(load_path)[i], Qnil);
	rb_str_freeze(path);
	rb_ary_push(ary, path);
    }
    rb_obj_freeze(ary);
    return ary;
}