patch 8.1.1012: memory leak with E461

Problem:    Memory leak with E461.
Solution:   Clear the typeval. (Dominique Pelle, closes #4111)
diff --git a/src/version.c b/src/version.c
index 35b40ca..91f05b9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -780,6 +780,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1012,
+/**/
     1011,
 /**/
     1010,