mergetool--lib: improve show_tool_help() output

diff --git a/configure.ac b/configure.ac
index da1f41f58871b2102a9ed5eaeff7df3c9623f4bd..c85888c851c39d4ac88e1ba8b1a35a6f14a97ca7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -411,7 +411,7 @@ else
       LDFLAGS="${SAVE_LDFLAGS}"
    ])
    if test "$git_cv_ld_wl_rpath" = "yes"; then
-      CC_LD_DYNPATH=-Wl,-rpath
+      CC_LD_DYNPATH=-Wl,-rpath,
    else
       AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
          SAVE_LDFLAGS="${LDFLAGS}"