1.2.1 <- 1.2.0

This can affect existing round-trip tests, but we never made any
guarantees about whitespace constancy.
diff --git a/include/json/version.h b/include/json/version.h
index 4565dc1..a46c704 100644
--- a/include/json/version.h
+++ b/include/json/version.h
@@ -4,10 +4,10 @@
 #ifndef JSON_VERSION_H_INCLUDED
 # define JSON_VERSION_H_INCLUDED
 
-# define JSONCPP_VERSION_STRING "1.2.0"
+# define JSONCPP_VERSION_STRING "1.2.1"
 # define JSONCPP_VERSION_MAJOR 1
 # define JSONCPP_VERSION_MINOR 2
-# define JSONCPP_VERSION_PATCH 0
+# define JSONCPP_VERSION_PATCH 1
 # define JSONCPP_VERSION_QUALIFIER
 # define JSONCPP_VERSION_HEXA ((JSONCPP_VERSION_MAJOR << 24) | (JSONCPP_VERSION_MINOR << 16) | (JSONCPP_VERSION_PATCH << 8))