ImDrawList: Fixed minor bug introduced in 1.75 where AddCircle() with 12 segments would generate an extra unrequired vertex.

Amend 5363af7f47, 051ce0765e

docs/CHANGELOG.txt

@@ -66,6 +66,8 @@ Other Changes:
   VtxOffset was not zero would lead to draw commands with wrong VtxOffset. (#2591)
 - ImDrawList, ImDrawListSplitter, Columns: Fixed an issue where starting a split right after
   a callback draw command would incorrectly override the callback draw command.
+- ImDrawList: Fixed minor bug introduced in 1.75 where AddCircle() with 12 segments would
+  generate an extra unrequired vertex. [@ShironekoBen]
 - Misc, Freetype: Fix for rare case where FT_Get_Char_Index() succeed but FT_Load_Glyph() fails.
 - Docs: Improved and moved font documentation to docs/FONTS.md so it can be readable on the web.
   Updated various links/wiki accordingly. Added FAQ entry about DPI. (#2861) [@ButternCream, @ocornut]