Eliminate questionable syntax for stdin redirection. This probably also speeds things up a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51357 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ExecutionEngine/hello.ll b/test/ExecutionEngine/hello.ll
index a0c5e1a..3cd29f6 100644
--- a/test/ExecutionEngine/hello.ll
+++ b/test/ExecutionEngine/hello.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s -f -o %t.bc
+; RUN: llvm-as %s -f -o %t.bc
 ; RUN: lli %t.bc > /dev/null
 
 @.LC0 = internal global [12 x i8] c"Hello World\00"		; <[12 x i8]*> [#uses=1]