Update to 1.68.

Author: mellinoe

deps/cimgui/linux-x64/cimgui.so

@@ -423,6 +423,7 @@ static void Main(string[] args)
                     {
                         string exportedName = overload.ExportedName;
                         if (exportedName.Contains("~")) { continue; }
+                        if (exportedName.Contains("ImVector_")) { continue; }
                         if (overload.Parameters.Any(tr => tr.Type.Contains('('))) { continue; } // TODO: Parse function pointer parameters.
 
                         string ret = GetTypeString(overload.ReturnType, false);
@@ -1143,7 +1144,7 @@ public OverloadDefinition(
             DefaultValues = defaultValues;
             ReturnType = returnType.Replace("const", string.Empty).Replace("inline", string.Empty).Trim();
             StructName = structName;
-            IsMemberFunction = structName != "ImGui";
+            IsMemberFunction = !string.IsNullOrEmpty(structName);
             Comment = comment;
         }
     }