Bump CDB extension version.

Change-Id: If9cc4852f4070cc68b973e637b884fd6e592bf6d
Reviewed-by: hjk <hjk121@nokiamail.com>

src/libs/qtcreatorcdbext/qtcreatorcdbextension.cpp

@@ -275,7 +275,7 @@ extern "C" HRESULT CALLBACK pid(CIDebugClient *client, PCSTR args)
 
     int token;
     commandTokens<StringList>(args, &token);
-    dprintf("Qt Creator CDB extension version 3.0 %d bit built %s.\n",
+    dprintf("Qt Creator CDB extension version 3.1 %d bit built %s.\n",
             sizeof(void *) * 8, __DATE__);
     if (const ULONG pid = currentProcessId(client))
         ExtensionContext::instance().report('R', token, 0, "pid", "%u", pid);