avoid space in the version of the update information provider

LO-4.0.0.3 sends "4.0 .0.3" to the server.

Change-Id: I2cda062778ac3632f89eb5c0d1cc85e57d8d1870

extensions/source/update/feed/updatefeed.cxx

@@ -356,7 +356,6 @@ UpdateInformationProvider::UpdateInformationProvider(
         "org.openoffice.Setup/Product",
         "ooSetupExtension") >>= extension;
     if (!extension.isEmpty()) {
-        buf.append(sal_Unicode(' '));
         buf.append(extension);
     }
     rtl::OUString product(buf.makeStringAndClear());
@@ -375,6 +374,8 @@ UpdateInformationProvider::UpdateInformationProvider(
         i += product.getLength();
     }
 
+    SAL_INFO("extensions.update", "UpdateUserAgent: " << aUserAgent);
+
     m_aRequestHeaderList[0].Name = "Accept-Language";
     m_aRequestHeaderList[0].Value = getConfigurationItem( xConfigurationProvider, "org.openoffice.Setup/L10N", "ooLocale" );
     if( !aUserAgent.isEmpty() )