Add parentheses to pacify gcc-4.3.

llvm-svn: 66653
diff --git a/llvm/lib/CodeGen/PostRASchedulerList.cpp b/llvm/lib/CodeGen/PostRASchedulerList.cpp
index e742e3a..311ad28 100644
--- a/llvm/lib/CodeGen/PostRASchedulerList.cpp
+++ b/llvm/lib/CodeGen/PostRASchedulerList.cpp
@@ -268,7 +268,7 @@
       --Count;
     }
     assert(Count == 0 && "Instruction count mismatch!");
-    assert(MBB->begin() == Current || CurrentCount != 0 &&
+    assert((MBB->begin() == Current || CurrentCount != 0) &&
            "Instruction count mismatch!");
     Scheduler.Run(MBB, MBB->begin(), Current, CurrentCount);
     Scheduler.EmitSchedule();