Remove double paren use in system() function so that the command line can
be correctly interpreted by non-bash shells.

llvm-svn: 16194
diff --git a/llvm/utils/NightlyTest.pl b/llvm/utils/NightlyTest.pl
index 5be93b3..8137d3e 100755
--- a/llvm/utils/NightlyTest.pl
+++ b/llvm/utils/NightlyTest.pl
@@ -340,8 +340,8 @@
 $CVSOPT = "-z3" if $CVSRootDir =~ /^:ext:/; # Use compression if going over ssh.
 if (!$NOCHECKOUT) {
   if ( $VERBOSE ) { print "CHECKOUT STAGE\n"; }
-  system "(time -p ($NICE cvs $CVSOPT -d $CVSRootDir co -APR llvm; cd llvm/projects ; " .
-     "$NICE cvs $CVSOPT -d $CVSRootDir co -APR llvm-test ) ) > $CVSLog 2>&1";
+  system "( time -p $NICE cvs $CVSOPT -d $CVSRootDir co -APR llvm; cd llvm/projects ; " .
+     "$NICE cvs $CVSOPT -d $CVSRootDir co -APR llvm-test ) > $CVSLog 2>&1";
   ChangeDir( $BuildDir , "CVS Checkout directory") ;
 }