Make ElfNoBitsSection always relative to previous content

Author: xoofx

src/LibObjectFile/Elf/ElfFile.cs

@@ -317,9 +317,9 @@ public unsafe void UpdateLayout(DiagnosticBag diagnostics)
             var content = contentList[i];
             if (content is ElfNullSection) continue;
 
-            if (content is ElfNoBitsSection noBitsSection && noBitsSection.PositionOffsetFromPreviousContent.HasValue)
+            if (content is ElfNoBitsSection noBitsSection)
             {
-                content.Position = contentList[i-1].Position + noBitsSection.PositionOffsetFromPreviousContent.Value;
+                content.Position = contentList[i-1].Position + noBitsSection.PositionOffsetFromPreviousContent;
             }
             else
             {

src/LibObjectFile/Elf/Sections/ElfNoBitsSection.cs

@@ -10,7 +10,7 @@ public ElfNoBitsSection() : base(ElfSectionType.NoBits)
     {
     }
 
-    public ulong? PositionOffsetFromPreviousContent { get; set; }
+    public ulong PositionOffsetFromPreviousContent { get; set; }
 
     public override void Read(ElfReader reader)
     {