patch 8.2.2232: compiler error for falling through into next case

Problem:    Compiler error for falling through into next case.
Solution:   Move FALLTHROUGH below the #endif
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index bb191b5..efbf9a3 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -8653,9 +8653,8 @@
 #ifdef FEAT_EVAL
 		// "%%" alternate file
 		off = 1;
-		// FALLTHROUGH
 #endif
-
+		// FALLTHROUGH
 	case SPEC_HASH:		// '#' or "#99": alternate file
 		if (off == 0 ? src[1] == '#' : src[2] == '%')
 		{