git-version-gen: look for .git in ./, not ../

Change-Id: Ic71cfb8dde0a43325b50c75aae1e6ef3c3008501
diff --git a/git-version-gen b/git-version-gen
index f2ad4a7..8e59c5a 100755
--- a/git-version-gen
+++ b/git-version-gen
@@ -92,7 +92,7 @@
 if test -n "$v"
 then
     : # use $v
-elif test -d ./../.git \
+elif test -d ./.git \
     && v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \
 	  || git describe --abbrev=4 HEAD 2>/dev/null` \
     && case $v in