Merge pull request #84 from p-x9/fix/section-start-pointer

Fix caluculation of section start pointer in mach-o image

Sources/MachOKit/LoadCommand/Model/Section.swift

@@ -46,6 +46,7 @@ public protocol SectionProtocol: LayoutWrapper {
 extension SectionProtocol {
     public func startPtr(in segment: any SegmentCommandProtocol, vmaddrSlide: Int) -> UnsafeRawPointer? {
         segment.startPtr(vmaddrSlide: vmaddrSlide)?
+            .advanced(by: -segment.fileOffset)
             .advanced(by: offset)
     }
 }