[Fix] (MG_Impl/GetProcAddress, Exporting): properly get proc address, clear reliance on dlsym

MobileGL/MG_Impl/GetProcAddress.h

@@ -0,0 +1,15 @@
+// MobileGL - MobileGL/MG_Impl/GetProcAddress.h
+// Copyright (c) 2025-2026 MobileGL-Dev
+// Licensed under the GNU Lesser General Public License v2.1:
+// http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
+// SPDX-License-Identifier: LGPL-2.1-only
+// End of Source File Header
+
+#pragma once
+#include <Includes.h>
+
+namespace MobileGL {
+    namespace MG_Impl {
+        void* GetProcAddress(const char* name);
+    } // namespace MG_Impl
+} // namespace MobileGL