Modify version string to post-release version 0.19.97
treea57501c0538eb4ac2637939197b25225864a7041
-rw-r--r-- 49 Makefile.am
-rwxr-xr-x 16389 autogen.sh
-rw-r--r-- 1596 configure.ac
drwxr-xr-x - po
drwxr-xr-x - src