Fix build error.

Review URL: http://codereview.chromium.org/8117002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9505 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/regexp-macro-assembler-tracer.cc

@@ -38,7 +38,7 @@ RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
   assembler_(assembler) {
   unsigned int type = assembler->Implementation();
   ASSERT(type < 5);
-  const char* impl_names[4] = {"IA32", "ARM", "MIPS", "X64", "Bytecode"};
+  const char* impl_names[] = {"IA32", "ARM", "MIPS", "X64", "Bytecode"};
   PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
 }