patch 8.2.4475: fuzzy cmdline completion does not work for lower case

Problem:    Fuzzy cmdline completion does not work for lower case.
Solution:   Also use fuzzy completion for lower case input. (Yegappan
            Lakshmanan, closes #9849)
diff --git a/src/version.c b/src/version.c
index c7c7402..8842ecc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4475,
+/**/
     4474,
 /**/
     4473,