Fix IA32 build.

TBR=lrn@chromium.org
Review URL: http://codereview.chromium.org/201078

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2872 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/ia32/assembler-ia32.h

@@ -852,7 +852,7 @@ class Assembler : public Malloced {
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) : assembler_(assembler) {
-    if (assembler_->buffer_overflow()) assembler_->GrowBuffer();
+    if (assembler_->overflow()) assembler_->GrowBuffer();
 #ifdef DEBUG
     space_before_ = assembler_->available_space();
 #endif