[epson-inkjet-printer-escpr] Define _cups_serverbin if needed

[Orion Poplawski]

commit 98919bcc74a1bcb40b7a2a9486539d87ffcfd7f7
Author: Orion Poplawski <orion at nwra.com>
Date:   Tue Jul 23 12:04:46 2013 -0600

    Define _cups_serverbin if needed

 epson-inkjet-printer-escpr.spec |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/epson-inkjet-printer-escpr.spec b/epson-inkjet-printer-escpr.spec
index d87e139..23b2a42 100644
--- a/epson-inkjet-printer-escpr.spec
+++ b/epson-inkjet-printer-escpr.spec
@@ -1,5 +1,7 @@
 # The lsb release used in the tarball name
 %global lsb 1lsb3.2
+# Not defined on el6
+%{!?_cups_serverbin: %global _cups_serverbin %(/usr/bin/cups-config --serverbin)}
 
 Name:		epson-inkjet-printer-escpr
 Summary:	Drivers for Epson inkjet printers