changed code indent to 2 spaces for consistency

plugins/ssh/ssh.fish

@@ -1,12 +1,12 @@
 function ssh --description 'OpenSSH SSH client (remote login program) with a conservative $TERM value'
   switch $TERM
     case screen-256color
-        set -lx TERM screen
-        command ssh $argv
+      set -lx TERM screen
+      command ssh $argv
     case xterm-256color
-        set -lx TERM xterm
-        command ssh $argv
+      set -lx TERM xterm
+      command ssh $argv
     case '*'
       command ssh $argv
-    end
+  end
 end