Showing that WinSCP includes fixes on top of PuTTY 0.70

(cherry picked from commit 64a0abbfb05903d6d8fda3a7dfa3c98a9b8b3f69)

Source commit: 6b31843136d53ae1795d065a062034e086e1de20

source/putty/version.h

@@ -1,6 +1,6 @@
 /* Generated by automated build script */
 #define RELEASE 0.70
-#define TEXTVER "Release 0.70"
+#define TEXTVER "Release 0.70+"
 #define SSHVER "PuTTY-Release-0.70"
 #define BINARY_VERSION 0,70,0,0
 #define SOURCE_COMMIT "3cd10509a51edf5a21cdc80aabf7e6a934522d47"