patch 8.2.5033: build error with +eval but without +quickfix

Problem:    Build error with +eval but without +quickfix.  Warning for
            uninitialized variable.
Solution:   Adjust #ifdefs. (John Marriott)
diff --git a/src/errors.h b/src/errors.h
index 9bdc77d..3e5252c 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -1953,10 +1953,10 @@
 #ifdef FEAT_QUICKFIX
 EXTERN char e_no_location_list[]
 	INIT(= N_("E776: No location list"));
-# ifdef FEAT_EVAL
+#endif
+#ifdef FEAT_EVAL
 EXTERN char e_string_or_list_expected[]
 	INIT(= N_("E777: String or List expected"));
-# endif
 #endif
 #ifdef FEAT_SPELL
 EXTERN char e_this_does_not_look_like_sug_file_str[]