Fix x64 build.

Review URL: http://codereview.chromium.org/126114

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2160 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/codegen-x64.cc

@@ -373,6 +373,10 @@ void CodeGenerator::GenerateObjectEquals(ZoneList<Expression*>* a) {
   UNIMPLEMENTED();
 }
 
+void CodeGenerator::GenerateRandomPositiveSmi(ZoneList<Expression*>* a) {
+  UNIMPLEMENTED();
+}
+
 void CodeGenerator::GenerateSetValueOf(ZoneList<Expression*>* a) {
   UNIMPLEMENTED();
 }

src/x64/codegen-x64.h

@@ -524,6 +524,8 @@ class CodeGenerator: public AstVisitor {
 
   void GenerateLog(ZoneList<Expression*>* args);
 
+  // Fast support for Math.random().
+  void GenerateRandomPositiveSmi(ZoneList<Expression*>* args);
 
   // Methods and constants for fast case switch statement support.
   //