wined3d: Make the "bumpmat" shader_reg_maps member a bitmap.
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index bac13cd..32402ab 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -642,7 +642,8 @@
     WORD local_bool_consts;                 /* MAX_CONST_B, 16 */
 
     WINED3DSAMPLER_TEXTURE_TYPE sampler_type[max(MAX_FRAGMENT_SAMPLERS, MAX_VERTEX_SAMPLERS)];
-    BOOL bumpmat[MAX_TEXTURES], luminanceparams[MAX_TEXTURES];
+    BYTE bumpmat;                           /* MAX_TEXTURES, 8 */
+    BOOL luminanceparams[MAX_TEXTURES];
 
     WORD usesnrm        : 1;
     WORD vpos           : 1;