Test case compares identical shapes

[Nils Enevoldsen]

gjk.c/gjk.c

Lines 196 to 200 in 287d86a

 vec2 vertices2[] = { 
     { 4.0f, 11.0f }, 
     { 5.0f, 5.0f }, 
     { 9.0f, 9.0f }, 
 }; 

Did you intend this to be the following?

    vec2 vertices2[] = {
        { 5.0f, 7.0f },
        { 7.0f, 3.0f },
        { 10.0f, 2.0f },
        { 12.0f, 7.0f },
    };