lua: fix coverity issue with out of scope variable

Fix usage of out-of-scope variables. Introduced with the hashing
and adding the guard of g_disable_hashing.

To fix, just remove the guard so all variables are in scope. Hashes
are not initialized here so there is no need for the guard.

src/util-lua-common.c

@@ -757,7 +757,7 @@ static int LuaCallbackFileInfoPushToStackFromFile(lua_State *luastate, const Fil
     char *md5ptr = NULL;
     char *sha1ptr = NULL;
     char *sha256ptr = NULL;
-    if (!g_disable_hashing) {
+
     char md5[33] = "";
     md5ptr = md5;
     if (file->flags & FILE_MD5) {
@@ -788,7 +788,6 @@ static int LuaCallbackFileInfoPushToStackFromFile(lua_State *luastate, const Fil
             strlcat(sha256, one, sizeof(sha256));
         }
     }
-    }
 
     lua_pushnumber(luastate, file->file_store_id);
     lua_pushnumber(luastate, file->txid);