[PATCH] wind3d: Add default case in wined3d_calculate_fog_factor.

[Gijs Vermeulen]

Signed-off-by: Gijs Vermeulen 
---

This silences a clang warning:
warning: control may reach end of non-void function [-Wreturn-type]

dlls/wined3d/device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 9b1b630014..0a668c46b5 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -3501,6 +3501,9 @@ static float wined3d_calculate_fog_factor(float fog_coord, const struct lights_s
             return expf(-fog_coord * ls->fog_density);
         case WINED3D_FOG_EXP2:
             return expf(-fog_coord * fog_coord * ls->fog_density * ls->fog_density);
+        default:
+            ERR("Unhandled fog mode %#x.\n", ls->fog_mode);
+            return 0.0f;
     }
 }