patch 8.0.1264: terminal debugger gets stuck in small window

Problem:    Terminal debugger gets stuck in small window.
Solution:   Add "-quiet" to the gdb command. (Christian Brabandt, closes #2154)
diff --git a/src/version.c b/src/version.c
index 2a2cefe..e83549c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1264,
+/**/
     1263,
 /**/
     1262,