commit 9ad73239c26467832a5b553b2a4b99d7ffbaa25e
author Bram Moolenaar <Bram@vim.org> Wed Jun 01 22:08:17 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Jun 01 22:08:17 2016 +0200
tree 78692621eed08764ddc93ca1b2b15a9ae8fadf31
parent 22081f4a3397704645841121d994058abd6cb481

patch 7.4.1865
Problem:    Memory leaks in tet49. (Dominique Pelle)
Solution:   Use NULL instead of an empty string.

src/eval.c

diff --git a/src/eval.c b/src/eval.c
index adfe8f8..3d0abf3 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -5298,7 +5298,7 @@
 		 * what follows. So set it here. */
 		if (rettv->v_type == VAR_UNKNOWN && !evaluate && **arg == '(')
 		{
-		    rettv->vval.v_string = vim_strsave((char_u *)"");
+		    rettv->vval.v_string = NULL;
 		    rettv->v_type = VAR_FUNC;
 		}
 

src/version.c

diff --git a/src/version.c b/src/version.c
index a934fe7..7952a14 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1865,
+/**/
     1864,
 /**/
     1863,