iqdb fixes

app/logical/iqdb/command.rb

@@ -13,7 +13,7 @@ module Iqdb
     def add(post)
       hex = post.id.to_s(16)
       process do |io|
-        io.puts "add 0 #{hex} :#{post.preview_file_path}"
+        io.puts "add 0 #{hex}:#{post.preview_file_path}"
         io.puts "quit"
       end
     end

app/logical/iqdb/importer.rb

@@ -6,7 +6,7 @@ module Iqdb
           if File.exists?(post.preview_file_path)
             puts post.id
             hex = post.id.to_s(16)
-            io.puts "add 0 #{hex} :#{post.preview_file_path}"
+            io.puts "add 0 #{hex}:#{post.preview_file_path}"
           end
         end
         io.puts "quit"

app/logical/iqdb/server.rb

@@ -30,7 +30,7 @@ module Iqdb
     def add(post)
       request do
         hex = post.id.to_s(16)
-        socket.puts "add 0 #{hex} :#{post.preview_file_path}"
+        socket.puts "add 0 #{hex}:#{post.preview_file_path}"
       end
     end