update scratch-blocks (flyout bottom padding)

package.json

@@ -90,7 +90,7 @@
     "redux-throttle": "0.1.1",
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.1523977528",
-    "scratch-blocks": "0.1.0-prerelease.1526329848",
+    "scratch-blocks": "0.1.0-prerelease.1526507753",
     "scratch-l10n": "2.0.20180108132626",
     "scratch-paint": "0.2.0-prerelease.20180514184134",
     "scratch-render": "0.1.0-prerelease.20180514172756",