Squashed 'libs/protobuf/' content from commit fcd3b9a85

git-subtree-dir: libs/protobuf
git-subtree-split: fcd3b9a85ef36e46643dc30176cea1a7ad62e02b

fix_permissions.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+for file in $(find . -type f); do
+  if [ "$(head -c 2 $file)" == "#!" ]; then
+    chmod u+x $file
+  else
+    chmod a-x $file
+  fi
+done