Show jpeg as an option for psnr tool if enabled

BUG=339
TESTED=psnr
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/20809005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1026 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

@@ -1,6 +1,6 @@
 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1025
+Version: 1026
 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 1025
+#define LIBYUV_VERSION 1026
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

util/psnr_main.cc

@@ -121,6 +121,9 @@ double GetMSE(double sse, double size) {
 
 void PrintHelp(const char * program) {
   printf("%s [-options] org_seq rec_seq [rec_seq2.. etc]\n", program);
+#ifdef HAVE_JPEG
+  printf("jpeg or raw YUV 420 supported.\n");
+#endif
   printf("options:\n");
   printf(" -s <width> <height> .... specify YUV size, mandatory if none of the "
          "sequences have the\n");