make spec work again, now that release is in source name again

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@203 f882894a-f735-0410-b71e-b25c423dba1c

nagios-plugins.spec.in

@@ -10,7 +10,7 @@
 
 %define version %%{VER}
 %define release %%{REL}
-%define source %{archive}-%{version}
+%define source %{archive}-%{version}-%{release}
 
 Name: %{name}
 Version: %{version}