patch 8.2.0743: can move to another buffer from a terminal in popup window

Problem:    Can move to another buffer from a terminal in popup window.
Solution:   Do not allow "gf" or editing a file. (closes #6072)
diff --git a/src/version.c b/src/version.c
index 41f857f..1ce64b7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    743,
+/**/
     742,
 /**/
     741,