fix android build

git-svn-id: http://skia.googlecode.com/svn/trunk@10369 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index e79801c..6d90276 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -1154,6 +1154,14 @@
                                         "MIPMaps.");
             textureFilterMode = GrTextureParams::kMipMap_FilterMode;
             break;
+        default:
+            SkErrorInternals::SetError( kInvalidPaint_SkError,
+                                        "Sorry, I don't understand the filtering "
+                                        "mode you asked for.  Falling back to "
+                                        "MIPMaps.");
+            textureFilterMode = GrTextureParams::kMipMap_FilterMode;
+            break;
+    
     }
     
     params.setFilterMode(textureFilterMode);