Fix the version number in the fastboot documentation.

Bug: https://code.google.com/p/android/issues/detail?id=65414
Change-Id: Ia52101f7c8d59e79583fd9658e001648ff545c66
diff --git a/fastboot/fastboot_protocol.txt b/fastboot/fastboot_protocol.txt
index 358a448..4aa48b1 100644
--- a/fastboot/fastboot_protocol.txt
+++ b/fastboot/fastboot_protocol.txt
@@ -1,4 +1,3 @@
-
 FastBoot  Version  0.4
 ----------------------
 
@@ -158,7 +157,7 @@
 The various currently defined names are:
 
   version             Version of FastBoot protocol supported.
-                      It should be "0.3" for this document.
+                      It should be "0.4" for this document.
 
   version-bootloader  Version string for the Bootloader.