got curl.ext.so from here:
https://forums.alliedmods.net/showpo...&postcount=182
and it fixed this error:
<FAILED> file "curl.ext.so": /hiden/hiden/hiden/csgo/game/csgo/addons/sourcemod/extensions/curl.ext.so: undefined symbol: _ZNSs9_M_mutateEjjj
[SM] Displaying 16 extensions:
[01] Automatic Updater (1.8.0.5937): Updates SourceMod gamedata files
[02] Webternet (1.8.0.5937): Extension for interacting with URLs
[03] CS Tools (1.8.0.5937): CS extended functionality
[04] BinTools (1.8.0.5937): Low-level C/C++ Calling API
[05] SDK Tools (1.8.0.5937): Source SDK Tools
[06] Top Menus (1.8.0.5937): Creates sorted nested menus
[07] <FAILED> file "steamtools.ext.so": /hiden/hiden/hiden/csgo/game/csgo/addons/sourcemod/extensions/steamtools.ext.so: cannot open shared object file: No such file or directory
[08] SteamWorks Extension (1.2): Exposes SteamWorks functions to Developers
[09] Socket (3.0.1): Socket extension for SourceMod
[10] SDK Hooks (1.8.0.5937): Source SDK Hooks
[11] Client Preferences (1.8.0.5937): Saves client preference settings
[12] SQLite (1.8.0.5937): SQLite Driver
[13] MySQL-DBI (1.8.0.5937): MySQL driver implementation for DBI
[14] GeoIP (1.8.0.5937): Geographical IP information
[15] GeoIPCity (1.1.2): Geographical IP information
[16] cURL Extension (1.3.0.0): cURL Extension