Update gphoto and libgphoto to 2.5.23

Author: scribblemaniac

.travis.yml

@@ -8,8 +8,8 @@ services:
 
 env:
   global:
-    - GPHOTO2_VERSION='2\.5\.20'
-    - LIBGPHOTO2_VERSION='2\.5\.22'
+    - GPHOTO2_VERSION='2\.5\.23'
+    - LIBGPHOTO2_VERSION='2\.5\.23'
 
     - INSTALL_CMD="apt-get -qq update && apt-get -y install wget ca-certificates && wget https://raw.githubusercontent.com/$TRAVIS_REPO_SLUG/$TRAVIS_BRANCH/gphoto2-updater.sh && chmod +x gphoto2-updater.sh && ./gphoto2-updater.sh --stable"
     - GPHOTO2_TEST_CMD="gphoto2 --version | grep '^gphoto2\\s\+$GPHOTO2_VERSION\\s'"
@@ -22,7 +22,7 @@ jobs:
           - sudo $TRAVIS_BUILD_DIR/gphoto2-updater.sh --stable
         script:
           - eval "$GPHOTO2_TEST_CMD"
-          - eval "$LIBGPHOTO2_TEST_CMD" 
+          - eval "$LIBGPHOTO2_TEST_CMD"
       - stage: Ubuntu 16.04
         install:
           - sudo $TRAVIS_BUILD_DIR/gphoto2-updater.sh --stable

gphoto2-updater.sh

@@ -31,8 +31,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-latest_stable_libgphoto_version=2_5_22
-latest_stable_gphoto_version=2_5_20
+latest_stable_libgphoto_version=2_5_23
+latest_stable_gphoto_version=2_5_23
 display_version=$(echo "libgphoto ${latest_stable_libgphoto_version}; gphoto ${latest_stable_gphoto_version}" | tr '_' '.')
 branch_libgphoto=''
 branch_gphoto=''