white space fixes for MIPS

TBR=kjellander@chromium.org
BUG=None

Review URL: https://codereview.chromium.org/2005053004 .

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1590
+Version: 1591
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1590
+#define LIBYUV_VERSION 1591
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT