fix mistake in pe_image.rs

src/win32/pe_image.rs

@@ -89,6 +89,7 @@ pub struct ImageDataDirectory {
 pub struct ImageSectionHeader {
     pub name:                   [u8;8],
     pub virtual_size:           u32,
+    pub virtual_address:        u32,
     pub size_of_raw_data:       u32,
     pub pointer_to_raw_data:    u32,
     pub pointer_to_relocations: u32,