Style bikeshed - remove extraneous whitespace

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002

Review URL: https://codereview.chromium.org/1842753002
diff --git a/tools/imgblur.cpp b/tools/imgblur.cpp
index c47bb02..3a0ae00 100644
--- a/tools/imgblur.cpp
+++ b/tools/imgblur.cpp
@@ -37,7 +37,7 @@
         if (!FLAGS_quiet) {
             SkDebugf("Sigma must be greater than zero (it is %f).\n", FLAGS_sigma);
         }
-        return kError;       
+        return kError;
     }
 
     sk_sp<SkData> data(SkData::MakeFromFileName(FLAGS_in[0]));
@@ -70,7 +70,7 @@
         if (!FLAGS_quiet) {
             SkDebugf("Couldn't write to file: %s\n", FLAGS_out[0]);
         }
-        return kError;       
+        return kError;
     }
 
     return kSuccess;