refs #5101 log compare is dead code

git-svn-id: file:///svn/toku/tokudb@48097 c7de825b-a66e-492c-adef-691d508d4ae1

src/export.map

@@ -4,7 +4,6 @@
    db_env_create;
    db_strerror;
    db_version;
-   log_compare;
    db_env_set_func_fsync;
    db_env_set_func_malloc;
    db_env_set_func_realloc;

src/tokuglobals.py

@@ -46,7 +46,7 @@ def main():
     exceptsymbols = {}
     for n in [ "_init", "_fini", "_end", "_edata", "__bss_start" ]:
         exceptsymbols[n] = 1
-    for n in [ "db_env_create", "db_create", "db_strerror", "db_version", "log_compare", 
+    for n in [ "db_env_create", "db_create", "db_strerror", "db_version", 
                "db_env_set_func_fsync", 
                "db_env_set_func_free", 
                "db_env_set_func_malloc", 

src/ydb.cc

@@ -2293,13 +2293,6 @@ DB_ENV_CREATE_FUN (DB_ENV ** envp, uint32_t flags) {
     return r;
 }
 
-int 
-log_compare(const DB_LSN * a, const DB_LSN * b) {
-    fprintf(stderr, "%s:%d log_compare(%p,%p)\n", __FILE__, __LINE__, a, b);
-    assert(0);
-    return 0;
-}
-
 // return 0 if v and dbv refer to same db (including same dname)
 // return <0 if v is earlier in omt than dbv
 // return >0 if v is later in omt than dbv