Revert config.h change, copied over too many files from 3.2.0, r=me

db/sqlite3/src/config.h

@@ -1 +1,9 @@
-#define SQLITE_PTR_SZ 4
+
+#ifndef _sqlite3_config_h
+#define _sqlite3_config_h
+
+#include "prcpucfg.h"
+
+#define SQLITE_PTR_SZ PR_BYTES_PER_WORD
+
+#endif /* _sqlite3_config_h */