SDL: Add missing error reporting in Android_JNI_FileOpen()

SDL Commits
1 
From a844d909426153985136433f28ee5621affce97e Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 23 Oct 2023 08:27:24 -0700
Subject: [PATCH] Add missing error reporting in Android_JNI_FileOpen()

Fixes https://github.com/libsdl-org/SDL/issues/8427
---
 src/core/android/SDL_android.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/android/SDL_android.c b/src/core/android/SDL_android.c
index 34c939e3b206..8bf816610a0d 100644
--- a/src/core/android/SDL_android.c
+++ b/src/core/android/SDL_android.c
@@ -1975,12 +1975,12 @@ int Android_JNI_FileOpen(SDL_RWops *ctx,
     }
 
     if (asset_manager == NULL) {
-        return -1;
+        return SDL_SetError("Couldn't create asset manager");
     }
 
     asset = AAssetManager_open(asset_manager, fileName, AASSET_MODE_UNKNOWN);
     if (asset == NULL) {
-        return -1;
+        return SDL_SetError("Couldn't open asset '%s'", fileName);
     }
 
     ctx->hidden.androidio.asset = (void *)asset;