SDL: stdinc: Added missing `\param` to SDL_CreateEnvironment.

From 919f8d3e2b9e966a0ed89a61a8d639961f4670bd Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Sat, 14 Sep 2024 16:17:29 -0400
Subject: [PATCH] stdinc: Added missing `\param` to SDL_CreateEnvironment.

---
 include/SDL3/SDL_stdinc.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/SDL3/SDL_stdinc.h b/include/SDL3/SDL_stdinc.h
index 4c844a069eaa6..c002ffa6f63d4 100644
--- a/include/SDL3/SDL_stdinc.h
+++ b/include/SDL3/SDL_stdinc.h
@@ -1032,7 +1032,9 @@ extern SDL_DECLSPEC SDL_Environment * SDLCALL SDL_GetEnvironment(void);
 extern SDL_DECLSPEC void SDLCALL SDL_CleanupEnvironment(void);
 
 /**
- * Create a set of environment variables
+ * Create a set of environment variables.
+ *
+ * \param populated SDL_TRUE to initialize it from the C runtime environment, SDL_FALSE to create an empty environment.
  *
  * \returns a pointer to the new environment or NULL on failure; call
  *          SDL_GetError() for more information.