Patch from Aleksej Saushev to properly only check for /proc/cpuinfo on Linux-based systems

This commit was SVN r22417.

opal/mca/pstat/linux/configure.m4

@@ -10,6 +10,7 @@
 #                         University of Stuttgart.  All rights reserved.
 # Copyright (c) 2004-2005 The Regents of the University of California.
 #                         All rights reserved.
+# Copyright (c) 2010      Cisco Systems, Inc.  All rights reserved.
 # $COPYRIGHT$
 # 
 # Additional copyrights may follow
@@ -23,7 +24,7 @@
 AC_DEFUN([MCA_pstat_linux_CONFIG],[
 
    case "${host}" in
-   i?86-*|x86_64*|ia64-*|powerpc-*|powerpc64-*|sparc*-*)
+   i?86-*linux*|x86_64*linux*|ia64-*linux*|powerpc-*linux*|powerpc64-*linux*|sparc*-*linux*)
               AS_IF([test -r "/proc/cpuinfo"],
                      [pstat_linux_happy="yes"],
                      [pstat_linux_happy="no"])