MB-7629: Small improvement for view reductions.c
MB-7629: Small improvement for view reductions.c

Change-Id: If718a76fb7c44cb7ba7ccfda9bff6ef31a1f89f8
Reviewed-on: http://review.couchbase.org/25619
Tested-by: Fulu Li <7f0c3670e14709a40a629f005ec9e9fa3dd32520@couchbase.com>
Reviewed-by: Filipe David Borba Manana <e0fcd583df77ec6c08e6d1257619cc1216ddc994@gmail.com>
Tested-by: Filipe David Borba Manana <e0fcd583df77ec6c08e6d1257619cc1216ddc994@gmail.com>

jimwwalker/couchstore,t3rm1n4l/couchstore,vmx/couchstore,abhinavdangeti/couchstore,jimwwalker/couchstore,t3rm1n4l/couchstore,couchbaselabs/couchstore,abhinavdangeti/couchstore,vmx/couchstore,couchbaselabs/couchstore,vmx/couchstore,abhinavdangeti/couchstore,jimwwalker/couchstore,t3rm1n4l/couchstore,couchbaselabs/couchstore