Make p_macligatures available outside options.c

Author: René Köcher

src/option.c

@@ -344,7 +344,6 @@ static int	p_lisp;
 static int	p_ml;
 static int	p_ma;
 #ifdef FEAT_GUI_MACVIM
-static int      p_macligatures;
 static int	p_mmta;
 #endif
 static int	p_mod;

src/option.h

@@ -644,6 +644,9 @@ EXTERN char_u	*p_luadll;	/* 'luadll' */
 #ifdef FEAT_GUI_MAC
 EXTERN int	p_macatsui;	/* 'macatsui' */
 #endif
+#ifdef FEAT_GUI_MACVIM
+EXTERN int	p_macligatures;	/* 'macligatures' */
+#endif
 EXTERN int	p_magic;	/* 'magic' */
 #ifdef FEAT_QUICKFIX
 EXTERN char_u	*p_mef;		/* 'makeef' */