Make glfwinfo try Vulkan even if GL/GLES fails

tests/glfwinfo.c

@@ -710,12 +710,8 @@ int main(int argc, char** argv)
     glfwWindowHint(GLFW_COCOA_GRAPHICS_SWITCHING, cocoa_graphics_switching);
 
     GLFWwindow* window = glfwCreateWindow(200, 200, "Version", NULL, NULL);
-    if (!window)
+    if (window)
     {
-        glfwTerminate();
-        exit(EXIT_FAILURE);
-    }
-
         glfwMakeContextCurrent(window);
         gladLoadGL(glfwGetProcAddress);
 
@@ -893,6 +889,7 @@ int main(int argc, char** argv)
             list_context_extensions(client, major, minor);
 
         glfwDestroyWindow(window);
+    }
 
     glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);