SDL_ttf: minor update to os2 makefile

From 64f371c5a81f9dcf0b13f87bfe5416ecaa840793 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Wed, 11 May 2022 23:51:28 +0300
Subject: [PATCH] minor update to os2 makefile

---
 Makefile.os2 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile.os2 b/Makefile.os2
index 1263500..165b5dd 100644
--- a/Makefile.os2
+++ b/Makefile.os2
@@ -24,7 +24,9 @@ SRCS = SDL_ttf.c
 
 OBJS = $(SRCS:.c=.obj)
 
-LIBS = freetype.lib  zlib.lib  SDL2.lib
+# assuming freetype is built without FT_CONFIG_OPTION_SYSTEM_ZLIB
+# if not, add zlib.lib to LIBS
+LIBS = freetype.lib SDL2.lib
 
 CFLAGS_BASE = -bt=os2 -d0 -q -bm -5s -fp5 -fpi87 -sg -oeatxh -ei -j
 # warnings: