valgrind: Conditional jump or move depends on uninitialised value

(cherry picked from commit e3dad060929de9beeeed2978f1b1427a91152073)

Conflicts:
	vcl/source/gdi/metaact.cxx

Change-Id: Ia0b22f7c394d1c2387d1cad7e3d99c79eaeca81a
(cherry picked from commit a37f474a2272c505778774cd1d92897d8a744863)
detect add to table beyond MAX_TABLE_SIZE

Change-Id: I9b1357e583620c59898cd7a649a5b39a6d7e3739
(cherry picked from commit e326b5e06d74685b1853d61c465e5be0b5bf1595)
(cherry picked from commit 4e2c5ffa89b77e4d6b0a1dc964d330d2ae3636d6)
valgrind: Conditional jump or move depends on uninitialised value

Change-Id: I1939d376afe5dd5c67f378ffb2520a066dc99077
(cherry picked from commit 6efbc4598aea1e87c1569c7beef13d44b1a4202c)
(cherry picked from commit 1742008dd0d83f3e69b6e09d9e3223d0c5d28096)
init a few more stream-read svm elements

(cherry picked from commit 67c6ea0c426c2796fc1b80cbe2cb0347686db90d)

Conflicts:
	vcl/source/gdi/metaact.cxx

Change-Id: I3dfa2485afbe66131b86764374d53181b55c2346
(cherry picked from commit 21212a65c5653bdc38cea426710e68ed40c66eb8)