Adjusted to take in account that...

With the curl memory tracking feature decoupled from the debug build feature,
CURLDEBUG and DEBUGBUILD preprocessor symbol definitions are used as follows:

CURLDEBUG used for curl debug memory tracking specific code (--enable-curldebug)

DEBUGBUILD used for debug enabled specific code (--enable-debug)

lib/version.c

@@ -188,9 +188,12 @@ static curl_version_info_data version_info = {
 #ifdef HAVE_GSSAPI
   | CURL_VERSION_GSSNEGOTIATE
 #endif
-#ifdef CURLDEBUG
+#ifdef DEBUGBUILD
   | CURL_VERSION_DEBUG
 #endif
+#ifdef CURLDEBUG
+  | CURL_VERSION_CURLDEBUG
+#endif
 #ifdef USE_ARES
   | CURL_VERSION_ASYNCHDNS
 #endif