hw_main.h: add def for HWR_DrawPatch()

src/hardware/hw_main.h

@@ -37,6 +37,7 @@ void HWR_ClearSkyDome(void);
 void HWR_BuildSkyDome(void);
 void HWR_DrawFlatFill(INT32 x, INT32 y, INT32 w, INT32 h, lumpnum_t flatlumpnum);
 void HWR_SetViewSize(void);
+void HWR_DrawPatch( patch_t *gpatch, INT32 x, INT32 y, INT32 option );
 void HWR_DrawStretchyFixedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale, fixed_t vscale, INT32 option, const UINT8 *colormap);
 void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale, fixed_t vscale, INT32 option, const UINT8 *colormap, fixed_t sx, fixed_t sy, fixed_t w, fixed_t h);
 void HWR_MakePatch(patch_t *patch, GLPatch_t *grPatch, GLMipmap_t *grMipmap, boolean makebitmap);