Only wrap IdentityFile in quotes if it contains spaces [GH-1682]

CHANGELOG.md

@@ -36,6 +36,8 @@ BUG FIXES:
   - All provisioners only output newlines when the provisioner sends a
     newline. This results in the output looking a lot nicer.
   - Sharing folders works properly if ".profile" contains an echo. [GH-1677]
+  - `vagrant ssh-config` IdentityFile is only wrapped in quotes if it
+    contains a space. [GH-1682]
 
 ## 1.2.4 (July 16, 2013)
 

templates/commands/ssh_config/config.erb

@@ -5,7 +5,11 @@ Host <%= host_key %>
   UserKnownHostsFile /dev/null
   StrictHostKeyChecking no
   PasswordAuthentication no
+<% if private_key_path.include?(" ") -%>
   IdentityFile "<%= private_key_path %>"
+<% else -%>
+  IdentityFile <%= private_key_path %>
+<% end -%>
   IdentitiesOnly yes
   LogLevel FATAL
 <% if forward_agent -%>