SDL: Fixed a few warnings

From 4960cc3dcb847569923c70c24e571ecbc2dcc39b Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Mon, 25 Oct 2021 16:18:40 +0200
Subject: [PATCH] Fixed a few warnings

---
 src/render/SDL_render.c               | 4 ++--
 src/render/opengles/SDL_render_gles.c | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index 96c064b07d..1a0add99fa 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -3456,8 +3456,8 @@ SDL_RenderCopyExF(SDL_Renderer * renderer, SDL_Texture * texture,
         float c_minx, c_miny, c_maxx, c_maxy;
 
         const float radian_angle = (float)((M_PI * angle) / 180.0);
-        const float s = SDL_sin(radian_angle);
-        const float c = SDL_cos(radian_angle);
+        const float s = SDL_sinf(radian_angle);
+        const float c = SDL_cosf(radian_angle);
 
         minu = (float) (real_srcrect.x) / (float) texture->w;
         minv = (float) (real_srcrect.y) / (float) texture->h;
diff --git a/src/render/opengles/SDL_render_gles.c b/src/render/opengles/SDL_render_gles.c
index 07ed445732..10f4e86eb9 100644
--- a/src/render/opengles/SDL_render_gles.c
+++ b/src/render/opengles/SDL_render_gles.c
@@ -769,7 +769,6 @@ static int
 GLES_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize)
 {
     GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
-    size_t i;
 
     if (GLES_ActivateRenderer(renderer) < 0) {
         return -1;