Core: Fix crash if library can't be opened

CHANGES

@@ -38,6 +38,7 @@ Emulation fixes:
 Other fixes:
  - Core: Don't attempt to restore rewind diffs past start of rewind
  - Core: Fix the runloop resuming after a game has crashed (fixes mgba.io/i/2451)
+ - Core: Fix crash if library can't be opened
  - FFmpeg: Fix crash when encoding audio with some containers
  - FFmpeg: Fix GIF recording (fixes mgba.io/i/2393)
  - GB: Fix temporary saves

src/core/library.c

@@ -199,6 +199,10 @@ error:
 }
 
 void mLibraryDestroy(struct mLibrary* library) {
+	if (!library) {
+		return;
+	}
+
 	sqlite3_finalize(library->insertPath);
 	sqlite3_finalize(library->insertRom);
 	sqlite3_finalize(library->insertRoot);