imDrawList: PathArcTo() returns when passed zero radius.

imgui_draw.cpp

@@ -694,14 +694,11 @@ void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int a_min_of_
         circle_vtx_builds = true;
     }
 
-    if (a_min_of_12 > a_max_of_12) 
-        return;
-    if (radius == 0.0f)
+    if (radius == 0.0f || a_min_of_12 > a_max_of_12)
     {
         _Path.push_back(centre);
+        return;
     }
-    else
-    {
     _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
     for (int a = a_min_of_12; a <= a_max_of_12; a++)
     {
@@ -709,12 +706,14 @@ void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int a_min_of_
         _Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius));
     }
 }
-}
 
 void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float amin, float amax, int num_segments)
 {
     if (radius == 0.0f)
+    {
         _Path.push_back(centre);
+        return;
+    }
     _Path.reserve(_Path.Size + (num_segments + 1));
     for (int i = 0; i <= num_segments; i++)
     {