loader/nso: Fix definition of the NSO header struct

The total struct itself is 0x100 (256) bytes in size, so we should be
providing that amount of data.

Without the data, this can result in omitted data from the final loaded
NSO file.

src/core/loader/nso.cpp

@@ -34,20 +34,32 @@ struct NsoSegmentHeader {
 static_assert(sizeof(NsoSegmentHeader) == 0x10, "NsoSegmentHeader has incorrect size.");
 
 struct NsoHeader {
+    using SHA256Hash = std::array<u8, 0x20>;
+
+    struct RODataRelativeExtent {
+        u32 data_offset;
+        u32 size;
+    };
+
     u32_le magic;
     u32_le version;
-    INSERT_PADDING_WORDS(1);
-    u8 flags;
+    u32 reserved;
+    u32_le flags;
     std::array<NsoSegmentHeader, 3> segments; // Text, RoData, Data (in that order)
     std::array<u8, 0x20> build_id;
     std::array<u32_le, 3> segments_compressed_size;
+    std::array<u8, 0x1C> padding;
+    RODataRelativeExtent api_info_extent;
+    RODataRelativeExtent dynstr_extent;
+    RODataRelativeExtent dynsyn_extent;
+    std::array<SHA256Hash, 3> segment_hashes;
 
     bool IsSegmentCompressed(size_t segment_num) const {
         ASSERT_MSG(segment_num < 3, "Invalid segment {}", segment_num);
         return ((flags >> segment_num) & 1);
     }
 };
-static_assert(sizeof(NsoHeader) == 0x6c, "NsoHeader has incorrect size.");
+static_assert(sizeof(NsoHeader) == 0x100, "NsoHeader has incorrect size.");
 static_assert(std::is_trivially_copyable_v<NsoHeader>, "NsoHeader isn't trivially copyable.");
 
 struct ModHeader {