SDL: Use consistent values for the video mode refresh rate

SDL Commits
1 
From 082848e945876b0cf170dc9f1becc6f8d8b3dc45 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 20 Nov 2025 17:07:47 -0800
Subject: [PATCH] Use consistent values for the video mode refresh rate

Fixes https://github.com/libsdl-org/SDL/issues/14468
---
 src/video/SDL_video.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index e259c7008a860..53ff830d56e63 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -821,11 +821,11 @@ static void SDL_FinalizeDisplayMode(SDL_DisplayMode *mode)
         if (mode->refresh_rate_denominator <= 0) {
             mode->refresh_rate_denominator = 1;
         }
-        mode->refresh_rate = ((100 * (Sint64)mode->refresh_rate_numerator) / mode->refresh_rate_denominator) / 100.0f;
+        mode->refresh_rate = (float)mode->refresh_rate_numerator / mode->refresh_rate_denominator;
     } else {
         SDL_CalculateFraction(mode->refresh_rate, &mode->refresh_rate_numerator, &mode->refresh_rate_denominator);
-        mode->refresh_rate = (int)(mode->refresh_rate * 100) / 100.0f;
     }
+    mode->refresh_rate = SDL_roundf(mode->refresh_rate * 100) / 100.0f;
 }
 
 SDL_DisplayID SDL_AddBasicVideoDisplay(const SDL_DisplayMode *desktop_mode)