-Fix: some (older-ish) GCC compiler warnings


git-svn-id: http://svn.openttd.org/trunk@27026 6aa0318a-3be1-0310-93fa-89fd2396df07
-Update from WebTranslator v3.0:
catalan - 2 changes by juanjo
dutch - 2 changes by habell
finnish - 45 changes by jpx_
irish - 58 changes by tem
spanish - 2 changes by SilverSurferZzZ


git-svn-id: http://svn.openttd.org/trunk@27027 6aa0318a-3be1-0310-93fa-89fd2396df07
-Fix: crash when having the vehicle list opened from a buoy or oil rig while the buoy/oil rig gets its final removal (i.e. the sign gets removed)


git-svn-id: http://svn.openttd.org/trunk@27030 6aa0318a-3be1-0310-93fa-89fd2396df07