Fix gcc 3.1 complaint


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3091 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index b2eb378..77d8011 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -1376,7 +1376,7 @@
 // printStackFrame - Print information about the specified stack frame, or -1
 // for the default one.
 //
-void Interpreter::printStackFrame(int FrameNo = -1) {
+void Interpreter::printStackFrame(int FrameNo) {
   if (FrameNo == -1) FrameNo = CurFrame;
   Function *F = ECStack[FrameNo].CurMethod;
   const Type *RetTy = F->getReturnType();