patch 8.0.0176: cannot use :change inside a function definition

Problem:    Using :change in between :function and :endfunction fails.
Solution:   Recognize :change inside a function. (ichizok, closes #1374)
diff --git a/src/version.c b/src/version.c
index d4f2dfc..c7e47fa 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    176,
+/**/
     175,
 /**/
     174,