Fix GN config for skpbench

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4154

Change-Id: I817ce9d8baa72200c622e38e954c81ea37bd99e8
Reviewed-on: https://skia-review.googlesource.com/4154
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
diff --git a/BUILD.gn b/BUILD.gn
index e57cd0e..96ee628 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1019,20 +1019,20 @@
       }
       testonly = true
     }
+  }
 
-    if (skia_enable_gpu) {
-      executable("skpbench") {
-        sources = [
-          "tools/skpbench/skpbench.cpp",
-        ]
-        deps = [
-          ":flags",
-          ":gpu_tool_utils",
-          ":skia",
-          ":tool_utils",
-        ]
-        testonly = true
-      }
+  if (skia_enable_gpu) {
+    executable("skpbench") {
+      sources = [
+        "tools/skpbench/skpbench.cpp",
+      ]
+      deps = [
+        ":flags",
+        ":gpu_tool_utils",
+        ":skia",
+        ":tool_utils",
+      ]
+      testonly = true
     }
   }