Sanitizing source files in Skia_Periodic_House_Keeping

git-svn-id: http://skia.googlecode.com/svn/trunk@5477 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/SkGrFontScaler.cpp b/src/gpu/SkGrFontScaler.cpp
index 42774f5..dc637a8 100644
--- a/src/gpu/SkGrFontScaler.cpp
+++ b/src/gpu/SkGrFontScaler.cpp
@@ -172,8 +172,8 @@
                 expand_bits(rgba8888, bits, width, height, dstRB, srcRB);
                 break;
             }
-   	    default:
- 	        GrCrash("Unknown GrMaskFormat");
+           default:
+             GrCrash("Unknown GrMaskFormat");
         }
     } else if (srcRB == dstRB) {
         memcpy(dst, src, dstRB * height);