Fix "make distcheck"
Running "make distcheck" failed trying to generate ".version" into the
read-only unpacked source directory. Actually shipping ".version" in the
tarball fixes that.
diff --git a/openbsc/Makefile.am b/openbsc/Makefile.am
index d7329ba..8696eb4 100644
--- a/openbsc/Makefile.am
+++ b/openbsc/Makefile.am
@@ -7,7 +7,7 @@
pkgconfig_DATA = openbsc.pc
BUILT_SOURCES = $(top_srcdir)/.version
-EXTRA_DIST = git-version-gen osmoappdesc.py
+EXTRA_DIST = git-version-gen osmoappdesc.py .version
$(top_srcdir)/.version:
echo $(VERSION) > $@-t && mv $@-t $@
dist-hook: