Bump version.h

Review URL: https://codereview.appspot.com/10835043
diff --git a/src/common/version.h b/src/common/version.h
index c8a8083..6c6cee6 100644
--- a/src/common/version.h
+++ b/src/common/version.h
@@ -1,7 +1,7 @@
 #define MAJOR_VERSION 1
 #define MINOR_VERSION 2
 #define BUILD_VERSION 0
-#define BUILD_REVISION 2423
+#define BUILD_REVISION 2424
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)