avoid identifying as beta

If we build from git-buildpackage using autoreconf, it comes out
looking like a beta because we're not on a git tag.

This patch avoids that situation.

Gbp-Pq: Name 0001-avoid-identifying-as-beta.patch

autogen.sh

@@ -249,7 +249,7 @@ if [ "$myhost" = "find-version" ]; then
     fi
 
     beta=no
-    if [ -e .git ]; then
+    if false; then
       ingit=yes
       tmp=$(git describe --match "${matchstr1}" --long 2>/dev/null)
       tmp=$(echo "$tmp" | sed s/^"$package"//)