fixed build.properties entry for .well-known/security.txt

java/com.sap.sailing.www/build.properties

@@ -3,7 +3,7 @@ source.. = src/,\
 output.. = bin/
 bin.includes = META-INF/,\
                .,\
-               ./.well-known/,\
+               .well-known/,\
                WEB-INF/web.xml,\
                index.html,\
                release_notes.css,\