fix previous commit

travis_custom/custom_before_install

@@ -46,7 +46,7 @@ export PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:/opt/ros/hydro/lib/pkgconfig"
 export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:/opt/ros/hydro/lib"
 
 # When this script is called the current directory is ./custom_travis
-. ../.travis/run ../.travis/before_install
+. ./.travis/run ../.travis/before_install
 
 source /opt/ros/hydro/setup.bash