d3dx9: add missing img formats D3DX(Load|Save)* are supposed to support

[Bjoern Krombholz]

---
 include/d3dx9tex.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/d3dx9tex.h b/include/d3dx9tex.h
index 8e553e0..8073ab8 100644
--- a/include/d3dx9tex.h
+++ b/include/d3dx9tex.h
@@ -63,6 +63,8 @@ typedef enum _D3DXIMAGE_FILEFORMAT
     D3DXIFF_DDS,
     D3DXIFF_PPM,
     D3DXIFF_DIB,
+    D3DXIFF_HDR,
+    D3DXIFF_PFM,
     D3DXIFF_FORCE_DWORD = 0x7fffffff
 } D3DXIMAGE_FILEFORMAT;