Fix some inconsistent formatting.

I noticed we sometimes had extra spaces before and after the "const"
keyword.  Probably the result of a search and replace gone wrong.

This is a whitespace only change.

Review URL: http://codereview.chromium.org/3427021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5519 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips/assembler-mips.h

@@ -665,4 +665,3 @@ class Assembler : public Malloced {
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_MIPS_H_
-