patch 9.0.0225: using freed memory with multiple line breaks in expression

Problem:    Using freed memory with multiple line breaks in expression.
Solution:   Free eval_tofree later.
diff --git a/src/version.c b/src/version.c
index e477f9e..b2fc962 100644
--- a/src/version.c
+++ b/src/version.c
@@ -732,6 +732,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    225,
+/**/
     224,
 /**/
     223,