patch 9.0.0688: debugger does not display the whole command

Problem:    Debugger does not display the whole command.
Solution:   Set ea.cmd before checking for a breakpoint.
diff --git a/src/version.c b/src/version.c
index 7330eeb..2108099 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    688,
+/**/
     687,
 /**/
     686,