Fix prototype declaration

starg2 · starg2 · commit 125b5015809e · 2025-04-27T18:25:49.000+09:00
diff --git a/utils/nkflib.c b/utils/nkflib.c
@@ -386,7 +386,7 @@ static char            kanji_intro = DEFAULT_J,
 
 /* Folding */
 
-int line_fold();
+int line_fold(int c2, int c1);
 #define FOLD_MARGIN  10
 #define DEFAULT_FOLD 60
 
