Fix client unit tests

tests/main_client.cpp

@@ -8,12 +8,18 @@
 #include <Nazara/Network/Network.hpp>
 #include <Nazara/Physics2D/Physics2D.hpp>
 #include <Nazara/Shader/Shader.hpp>
+#include <glslang/Public/ShaderLang.h>
 
 int main(int argc, char* argv[])
 {
 	Nz::Modules<Nz::Audio, Nz::Network, Nz::Physics2D, Nz::Shader> nazaza;
 
+	if (!glslang::InitializeProcess())
+		return EXIT_FAILURE;
+
 	int result = Catch::Session().run(argc, argv);
 
+	glslang::FinalizeProcess();
+
 	return result;
 }