patch 8.0.0444: diffpatch fails when the file name has a quote

Problem:    Diffpatch fails when the file name has a quote.
Solution:   Escape the name properly. (zetzei)
diff --git a/src/version.c b/src/version.c
index 5a58f43..db00cc7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    444,
+/**/
     443,
 /**/
     442,