updated for version 7.3.448
Problem:    Win32: Still a problem with "!start /b".
Solution:   Escape only '|'. (Yasuhiro Matsumoto)
diff --git a/src/version.c b/src/version.c
index 71231c6..adb2a86 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    448,
+/**/
     447,
 /**/
     446,