add socketfilterfw to the PATH

Author: joshua

zsh/custom/path.zsh

@@ -4,3 +4,5 @@ export PATH=$DF/bin:$HOME/bin:/usr/local/bin:$PATH
 export PATH=$PATH:/Applications/Postgres.app/Contents/Versions/9.4/bin
 
 export PATH="$PATH:/Applications/Couchbase\ Server.app/Contents/Resources/couchbase-core/bin"
+
+export PATH="$PATH:/usr/libexec/ApplicationFirewall"