WiiWad: Move static implementation details to cpp file

These functions don't actually depend on any state from the class
instance, so they don't really belong in the header, and are just
an implementation detail.

Source/Core/DiscIO/WiiWad.cpp

@@ -16,6 +16,34 @@
 
 namespace DiscIO
 {
+namespace
+{
+std::vector<u8> CreateWADEntry(IBlobReader& reader, u32 size, u64 offset)
+{
+  if (size == 0)
+    return {};
+
+  std::vector<u8> buffer(size);
+
+  if (!reader.Read(offset, size, buffer.data()))
+  {
+    ERROR_LOG(DISCIO, "WiiWAD: Could not read from file");
+    PanicAlertT("WiiWAD: Could not read from file");
+  }
+
+  return buffer;
+}
+
+bool IsWiiWAD(const CBlobBigEndianReader& reader)
+{
+  u32 header_size = 0;
+  u32 header_type = 0;
+  reader.ReadSwapped(0x0, &header_size);
+  reader.ReadSwapped(0x4, &header_type);
+  return header_size == 0x20 && (header_type == 0x49730000 || header_type == 0x69620000);
+}
+}  // Anonymous namespace
+
 WiiWAD::WiiWAD(const std::string& name)
 {
   std::unique_ptr<IBlobReader> reader(CreateBlobReader(name));
@@ -32,22 +60,6 @@ WiiWAD::~WiiWAD()
 {
 }
 
-std::vector<u8> WiiWAD::CreateWADEntry(IBlobReader& reader, u32 size, u64 offset)
-{
-  if (size == 0)
-    return {};
-
-  std::vector<u8> buffer(size);
-
-  if (!reader.Read(offset, size, buffer.data()))
-  {
-    ERROR_LOG(DISCIO, "WiiWAD: Could not read from file");
-    PanicAlertT("WiiWAD: Could not read from file");
-  }
-
-  return buffer;
-}
-
 bool WiiWAD::ParseWAD(IBlobReader& reader)
 {
   CBlobBigEndianReader big_endian_reader(reader);
@@ -88,13 +100,4 @@ bool WiiWAD::ParseWAD(IBlobReader& reader)
   return true;
 }
 
-bool WiiWAD::IsWiiWAD(const CBlobBigEndianReader& reader)
+}  // namespace DiscIO
-{
-  u32 header_size = 0;
-  u32 header_type = 0;
-  reader.ReadSwapped(0x0, &header_size);
-  reader.ReadSwapped(0x4, &header_type);
-  return header_size == 0x20 && (header_type == 0x49730000 || header_type == 0x69620000);
-}
-
-}  // namespace end

Source/Core/DiscIO/WiiWad.h

@@ -28,8 +28,6 @@ public:
   const std::vector<u8>& GetFooter() const { return m_footer; }
 private:
   bool ParseWAD(IBlobReader& reader);
-  static std::vector<u8> CreateWADEntry(IBlobReader& reader, u32 size, u64 offset);
-  static bool IsWiiWAD(const CBlobBigEndianReader& reader);
 
   bool m_valid;