patch 8.1.1724: too much overhead checking for CTRL-C while processing text

Problem:    Too much overhead checking for CTRL-C while processing text.
Solution:   Increase BREAKCHECK_SKIP.  Remove the difference for when built
            with the GUI. (suggested by Andy Massimino, closes #4708)
diff --git a/src/version.c b/src/version.c
index 5dc4d0c..8a98f51 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1724,
+/**/
     1723,
 /**/
     1722,