patch 7.4.2128

Problem:    Memory leak when saving for undo fails.
Solution:   Free allocated memory. (Hirohito Higashi)

Author: brammool

src/ex_cmds.c

@@ -4091,7 +4091,10 @@ do_ecmd(
 	    u_sync(FALSE);
 	    if (u_savecommon(0, curbuf->b_ml.ml_line_count + 1, 0, TRUE)
 								     == FAIL)
+	    {
+		vim_free(new_name);
 		goto theend;
+	    }
 	    u_unchanged(curbuf);
 	    buf_freeall(curbuf, BFA_KEEP_UNDO);
 

src/version.c

@@ -763,6 +763,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2128,
 /**/
     2127,
 /**/