Merge pull request #1468 from larrylv/unset-config-file-variable

Unset `config_file` variable in oh-my-zsh.sh

oh-my-zsh.sh

@@ -56,6 +56,7 @@ done
 for config_file ($ZSH_CUSTOM/*.zsh(N)); do
   source $config_file
 done
+unset config_file
 
 # Load the theme
 if [ "$ZSH_THEME" = "random" ]