[plplot] try subshell

[Orion Poplawski]

commit 4a106491a5fb2aea5044e84ff17caa8977ed5c22
Author: Orion Poplawski <orion at cora.nwra.com>
Date:   Tue Oct 12 14:02:26 2010 -0600

    try subshell

 plplot.spec |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plplot.spec b/plplot.spec
index 0136e6e..2220f89 100644
--- a/plplot.spec
+++ b/plplot.spec
@@ -412,7 +412,7 @@ ERRORFILE=`mktemp`
 %ifarch ppc ppc64
 xvfb-run -f $XAUTHFILE -e $ERRORFILE ctest -V -E 'compare|ocaml'
 %else
-xvfb-run -f $XAUTHFILE -e $ERRORFILE ctest -V -E 'compare' || cat $ERRORFILE && exit 1
+xvfb-run -f $XAUTHFILE -e $ERRORFILE ctest -V -E 'compare' || (cat $ERRORFILE && exit 1)
 %endif