Remove whitespace from spip version regex

Author: dwelch-r7

lib/msf/core/exploit/remote/http/spip.rb

@@ -31,7 +31,7 @@ def spip_version
       version = ::Regexp.last_match(1)
     end
 
-    if version.nil? && res.headers['Composed-By'] =~ /SPIP (.*) /
+    if version.nil? && res.headers['Composed-By'] =~ /SPIP (.*)/
       version = ::Regexp.last_match(1)
     end