Make this really do nothing.

llvm-svn: 33587
diff --git a/llvm/test/Linker/testlink2.ll b/llvm/test/Linker/testlink2.ll
index 369f907..0f4468d 100644
--- a/llvm/test/Linker/testlink2.ll
+++ b/llvm/test/Linker/testlink2.ll
@@ -1,6 +1,6 @@
 ; This file is used by testlink1.ll, so it doesn't actually do anything itself
 ;
-; RUN: echo
+; RUN: true
 
 %MyVar     = global int 4
 %MyIntList = external global { \2 *, int }