patch 8.0.1067: try/catch in timer does not prevent it from being stopped

Problem:    Using try/catch in timer does not prevent it from being stopped.
Solution:   Reset the exception context and use did_emsg instead of
            called_emsg.
diff --git a/src/version.c b/src/version.c
index a3ab6ed..2ce3d26 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1067,
+/**/
     1066,
 /**/
     1065,