SourceHook (GCC): `maybe-uninitialized` warning

[Wend4r]

When building on GCC, I get the following warning:

[14/196] Building CXX object CMakeFiles/mms2-sample.dir/src/sample_plugin.cpp.o
In file included from /__w/mms2-sample/mms2-sample/external/metamod-source/core/ISmmPlugin.h:37,
                 from /__w/mms2-sample/mms2-sample/include/sample_plugin.hpp:33,
                 from /__w/mms2-sample/mms2-sample/src/sample_plugin.cpp:22:
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h: In member function 'virtual CServerSideClientBase* __SourceHook_FHCls_CNetworkGameServerBaseConnectClient0::Func(const char*, ns_address*, int, CCLCMsg_SplitPlayerConnect_t*, const char*, const byte*, int, bool)':
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h:947:62: warning: 'orig_ret' may be used uninitialized [-Wmaybe-uninitialized]
  947 |         IHookContext *pContext = SH_GLOB_SHPTR->SetupHookLoop(ms_HI, ourvfnptr, reinterpret_cast<void*>(this), \
      |                                                              ^
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h:947:62: note: by argument 9 of type 'const void*' to 'SourceHook::IHookContext* (SourceHook::ISourceHook::)(SourceHook::IHookManagerInfo*, void*, void*, void**, META_RES*, META_RES*, META_RES*, const void*, void*)'
  947 |         IHookContext *pContext = SH_GLOB_SHPTR->SetupHookLoop(ms_HI, ourvfnptr, reinterpret_cast<void*>(this), \
      |                                                              ^
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h:980:9: note: in expansion of macro 'SH_SETUPCALLS'
  980 |         SH_SETUPCALLS(rettype, paramtypes, params) \
      |         ^~~~~~~~~~~~~
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h:2551:19: note: in expansion of macro 'SH_HANDLEFUNC'
 2551 |                 { SH_HANDLEFUNC((param1, param2, param3, param4, param5, param6, param7, param8), (p1, p2, p3, p4, p5, p6, p7, p8), rettype); } \
      |                   ^~~~~~~~~~~~~
/__w/mms2-sample/mms2-sample/src/sample_plugin.cpp:[33](https://github.com/Wend4r/mms2-sample/actions/runs/10829113288/job/30046540185#step:9:34):1: note: in expansion of macro 'SH_DECL_HOOK8'
   33 | SH_DECL_HOOK8(CNetworkGameServerBase, ConnectClient, SH_NOATTRIB, 0, CServerSideClientBase *, const char *, ns_address *, int, CCLCMsg_SplitPlayerConnect_t *, const char *, const byte *, int, bool);
      | ^~~~~~~~~~~~~
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h:943:20: note: 'orig_ret' declared here
  943 |         my_rettype orig_ret; \
      |                    ^~~~~~~~
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h:943:20: note: in definition of macro 'SH_SETUPCALLS'
  943 |         my_rettype orig_ret; \
      |                    ^~~~~~~~
/__w/mms2-sample/mms2-sample/external/metamod-source/core/sourcehook/sourcehook.h:2551:19: note: in expansion of macro 'SH_HANDLEFUNC'
 2551 |                 { SH_HANDLEFUNC((param1, param2, param3, param4, param5, param6, param7, param8), (p1, p2, p3, p4, p5, p6, p7, p8), rettype); } \
      |                   ^~~~~~~~~~~~~
/__w/mms2-sample/mms2-sample/src/sample_plugin.cpp:33:1: note: in expansion of macro 'SH_DECL_HOOK8'
   33 | SH_DECL_HOOK8(CNetworkGameServerBase, ConnectClient, SH_NOATTRIB, 0, CServerSideClientBase *, const char *, ns_address *, int, CCLCMsg_SplitPlayerConnect_t *, const char *, const byte *, int, bool);
      | ^~~~~~~~~~~~~

https://github.com/Wend4r/mms2-sample/actions/runs/10829113288/job/30046540185
https://github.com/Wend4r/mms2-sample/blob/eef2a254d5427c6428f3cbd8fd1aa870f3d2e9d7/src/sample_plugin.cpp#L33

I know it can be mute by -Wno-maybe-uninitialized, but wouldn't better to fix it in SourceHook?