patch 9.1.1025: wrong return type of blob2str()

Problem:  wrong return type of blob2str()
Solution: update return to list of string
          (Yegappan Lakshmanan)

closes: #16461

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/evalfunc.c b/src/evalfunc.c
index 2b630ca..8886088 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -1847,7 +1847,7 @@
     {"blob2list",	1, 1, FEARG_1,	    arg1_blob,
 			ret_list_number,    f_blob2list},
     {"blob2str",	1, 2, FEARG_1,	    arg2_blob_dict,
-			ret_string,	    f_blob2str},
+			ret_list_string,    f_blob2str},
     {"browse",		4, 4, 0,	    arg4_browse,
 			ret_string,	    f_browse},
     {"browsedir",	2, 2, 0,	    arg2_string,