Set revision number to 1.9.1.

configure

 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.68 for cdo 1.9.1rc4.
+# Generated by GNU Autoconf 2.68 for cdo 1.9.1.
 #
 # Report bugs to <http://mpimet.mpg.de/cdo>.
 #
@@ -570,8 +570,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='cdo'
 PACKAGE_TARNAME='cdo'
-PACKAGE_VERSION='1.9.1rc4'
-PACKAGE_STRING='cdo 1.9.1rc4'
+PACKAGE_VERSION='1.9.1'
+PACKAGE_STRING='cdo 1.9.1'
 PACKAGE_BUGREPORT='http://mpimet.mpg.de/cdo'
 PACKAGE_URL=''
@@ -1401,7 +1401,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures cdo 1.9.1rc4 to adapt to many kinds of systems.
+\`configure' configures cdo 1.9.1 to adapt to many kinds of systems.
 Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1471,7 +1471,7 @@ fi
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of cdo 1.9.1rc4:";;
+     short | recursive ) echo "Configuration of cdo 1.9.1:";;
    esac
   cat <<\_ACEOF
@@ -1623,7 +1623,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-cdo configure 1.9.1rc4
+cdo configure 1.9.1
 generated by GNU Autoconf 2.68
 Copyright (C) 2010 Free Software Foundation, Inc.
@@ -2216,7 +2216,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
-It was created by cdo $as_me 1.9.1rc4, which was
+It was created by cdo $as_me 1.9.1, which was
 generated by GNU Autoconf 2.68.  Invocation command line was
   $ $0 $@
@@ -3165,7 +3165,7 @@ fi
 # Define the identity of the package.
  PACKAGE='cdo'
- VERSION='1.9.1rc4'
+ VERSION='1.9.1'
 cat >>confdefs.h <<_ACEOF
@@ -22983,7 +22983,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by cdo $as_me 1.9.1rc4, which was
+This file was extended by cdo $as_me 1.9.1, which was
 generated by GNU Autoconf 2.68.  Invocation command line was
   CONFIG_FILES    = $CONFIG_FILES
@@ -23049,7 +23049,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-cdo config.status 1.9.1rc4
+cdo config.status 1.9.1
 configured by $0, generated by GNU Autoconf 2.68,
   with options \\"\$ac_cs_config\\"

configure.ac

@@ -4,7 +4,7 @@
 #  autoconf 2.68
 #  libtool  2.4.2
 
-AC_INIT([cdo], [1.9.1rc4], [http://mpimet.mpg.de/cdo])
+AC_INIT([cdo], [1.9.1], [http://mpimet.mpg.de/cdo])
 
 AC_DEFINE_UNQUOTED(CDO, ["$PACKAGE_VERSION"], [CDO version])