[plplot/epel7] Fix conditional

[Orion Poplawski]

commit 80fbf53fa4f977d941c82b1cb5776400f940349a
Author: Orion Poplawski <orion at nwra.com>
Date:   Fri May 23 15:31:09 2014 -0600

    Fix conditional

 plplot.spec |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/plplot.spec b/plplot.spec
index d5cc2b1..ebe0e77 100644
--- a/plplot.spec
+++ b/plplot.spec
@@ -20,8 +20,10 @@
 %bcond_with ocaml
 %else
 # Missing needed ocaml ppc64 packages on RHEL7 at the moment
-%if 0%{?rhel} == 7 && %{arch} == ppc64
+%ifarch ppc64
+%if 0%{?rhel} == 7 
 %bcond_with ocaml
+%endif
 %else
 %bcond_without ocaml
 %endif