Fix examples warnings for macos (#3842)

examples/models/models_first_person_maze.c

@@ -34,7 +34,6 @@ int main(void)
     camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };          // Camera up vector (rotation towards target)
     camera.fovy = 45.0f;                                // Camera field-of-view Y
     camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
-    Vector3 position = { 0.0f, 0.0f, 0.0f };            // Set model position
 
     Image imMap = LoadImage("resources/cubicmap.png");      // Load cubicmap image (RAM)
     Texture2D cubicmap = LoadTextureFromImage(imMap);       // Convert image to texture to display (VRAM)

examples/others/raylib_opengl_interop.c

@@ -35,6 +35,7 @@
         #define GLSL_VERSION            100
     #else
         #if defined(__APPLE__)
+            #define GL_SILENCE_DEPRECATION // Silence Opengl API deprecation warnings 
             #include <OpenGL/gl3.h>     // OpenGL 3 library for OSX
             #include <OpenGL/gl3ext.h>  // OpenGL 3 extensions library for OSX
         #else

examples/text/text_codepoints_loading.c

@@ -60,7 +60,6 @@ int main(void)
     bool showFontAtlas = false;
 
     int codepointSize = 0;
-    int codepoint = 0;
     char *ptr = text;
 
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
@@ -77,13 +76,13 @@ int main(void)
         if (IsKeyPressed(KEY_RIGHT))
         {
             // Get next codepoint in string and move pointer
-            codepoint = GetCodepointNext(ptr, &codepointSize);
+            GetCodepointNext(ptr, &codepointSize);
             ptr += codepointSize;
         }
         else if (IsKeyPressed(KEY_LEFT))
         {
             // Get previous codepoint in string and move pointer
-            codepoint = GetCodepointPrevious(ptr, &codepointSize);
+            GetCodepointPrevious(ptr, &codepointSize);
             ptr -= codepointSize;
         }
         //----------------------------------------------------------------------------------