Allow space in icon names

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2576 2b470e98-0d58-463d-a4d8-8e2adae1ed80

FHEM/HttpUtils.pm

@@ -42,6 +42,14 @@ urlEncode($) {
   return $_;
 }
 
+##################
+sub
+urlDecode($) {
+  $_= $_[0];
+  s/%([0-9A-F][0-9A-F])/chr(hex($1))/egi;
+  return $_;
+}
+
 ##################
 # - if data (which is urlEncoded) is set, then a POST is performed, else a GET.
 # - noshutdown must be set for e.g the Fritz!Box