fix redefinition error (#48)

librocksdb_sys/crocksdb/c.cc

@@ -1507,10 +1507,6 @@ void crocksdb_options_set_wal_bytes_per_sync(crocksdb_options_t *opt, uint64_t v
   opt->rep.wal_bytes_per_sync = v;
 }
 
-void crocksdb_options_set_bytes_per_sync(crocksdb_options_t *opt, uint64_t v) {
-  opt->rep.bytes_per_sync = v;
-}
-
 size_t crocksdb_options_get_block_cache_usage(crocksdb_options_t *opt) {
   if (opt && opt->rep.table_factory != nullptr) {
     void* table_opt = opt->rep.table_factory->GetOptions();

librocksdb_sys/crocksdb/rocksdb/c.h

@@ -788,8 +788,6 @@ extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_max_subcompactions(
     crocksdb_options_t*, size_t);
 extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_wal_bytes_per_sync(
     crocksdb_options_t*, uint64_t);
-extern C_ROCKSDB_LIBRARY_API void crocksdb_options_set_bytes_per_sync(
-    crocksdb_options_t*, uint64_t);
 
 enum {
   crocksdb_tolerate_corrupted_tail_records_recovery = 0,

src/rocksdb_options.rs

@@ -560,12 +560,6 @@ impl Options {
         }
     }
 
-    pub fn set_bytes_per_sync(&mut self, n: u64) {
-        unsafe {
-            crocksdb_ffi::crocksdb_options_set_bytes_per_sync(self.inner, n);
-        }
-    }
-
     pub fn set_disable_auto_compactions(&mut self, disable: bool) {
         unsafe {
             if disable {