Remove obsolete --enable-nss and fix a typo in largefile_flags variable name

This was reported in bug #890584

evolution-data-server.spec

@@ -168,7 +168,7 @@ fi
 %define largefile_flags --disable-largefile
 %endif
 
-%define ssl_flags --enable-nss=yes --enable-smime=yes
+%define ssl_flags --enable-smime=yes
 
 if ! pkg-config --exists nss; then 
   echo "Unable to find suitable version of nss to use!"
@@ -198,7 +198,7 @@ autoconf
 	--enable-introspection=yes \
 	--enable-vala-bindings \
 	%ldap_flags %krb5_flags %nntp_flags %ssl_flags \
-	%largetfile_flags
+	%largefile_flags
 export tagname=CC
 
 # Do not build in parallel. The libedata-book and libedata-cal directories