patch 9.0.0855: comment not located above the code it refers to

Problem:    Comment not located above the code it refers to.
Solution:   Move the comment. (closes #11527)
diff --git a/src/spell.h b/src/spell.h
index be11c9f..c25b3b9 100644
--- a/src/spell.h
+++ b/src/spell.h
@@ -280,8 +280,6 @@
 #endif
 
 #ifdef FEAT_SPELL
-// First language that is loaded, start of the linked list of loaded
-// languages.
 # ifdef IN_SPELL_C
 #  define SPELL_EXTERN
 #  define SPELL_INIT(x) x
@@ -290,6 +288,8 @@
 #  define SPELL_INIT(x)
 # endif
 
+// First language that is loaded, start of the linked list of loaded
+// languages.
 SPELL_EXTERN slang_T	*first_lang SPELL_INIT(= NULL);
 
 // file used for "zG" and "zW"