Modify version string to post-release version 0.19.97
tree18d4051f06beff1f55ed3ba9d6ea6708caccc7aa
-rw-r--r-- 17987 COPYING
-rw-r--r-- 50 Makefile.am
-rwxr-xr-x 16389 autogen.sh
-rw-r--r-- 1540 configure.ac
drwxr-xr-x - po
drwxr-xr-x - src