configure: Prevent wrong version string generation (e.g. when doing a shallow checkout from git)
diff --git a/git-version-gen b/git-version-gen
index 6feac34..b403fce 100755
--- a/git-version-gen
+++ b/git-version-gen
@@ -5,7 +5,7 @@
 else
   if test -d "${SRCDIR}/.git" && test -x "`which git`" ; then
     git update-index -q --refresh
-    VER=`git describe --tags --always --dirty=-dirty`
+    VER=`git describe --tags --dirty=-dirty`
   else
     if test -f "${SRCDIR}/.tarball-version"; then
       VER=`cat "${SRCDIR}/.tarball-version"`