SDL_ttf: Fixed signed comparison warning

From 9f360b635a3e58771c36601be8f46412443dd68c Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 11 May 2023 09:08:13 -0700
Subject: [PATCH] Fixed signed comparison warning

---
 SDL_ttf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SDL_ttf.c b/SDL_ttf.c
index 6c313a5..f1b9139 100644
--- a/SDL_ttf.c
+++ b/SDL_ttf.c
@@ -3377,7 +3377,7 @@ static int TTF_Size_Internal(TTF_Font *font,
         }
         if (count) {
 #if TTF_USE_HARFBUZZ
-            if (char_count == glyph_count) {
+            if ((unsigned int)char_count == glyph_count) {
                 /* The higher level code doesn't know about ligatures,
                  * so if we've covered all the glyphs, report the full
                  * string length.