[PATCH v2 2/2] Teach git version --build-options about zlib versions.

["Randall S. Becker" <the.n.e.key@gmail.com>]

This change uses the zlib ZLIB_VERSION #define text macro. No
stringification is required for the variable's use. If the #define
is not present, that version is not reported.

Signed-off-by: Randall S. Becker <rsbecker@nexbridge.com>
---
 help.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/help.c b/help.c
index bf74e935b9..f378750af4 100644
--- a/help.c
+++ b/help.c
@@ -760,6 +760,9 @@ void get_version_info(struct strbuf *buf, int show_build_options)
 			strbuf_addstr(buf, "feature: fsmonitor--daemon\n");
 #if defined LIBCURL_VERSION
 		strbuf_addf(buf, "libcurl: %s\n", LIBCURL_VERSION);
+#endif
+#if defined ZLIB_VERSION
+		strbuf_addf(buf, "zlib: %s\n", ZLIB_VERSION);
 #endif
 	}
 }
-- 
2.43.0