SCI32: Extend a workaround for a script bug in QFG4

Fixes a reference to an uninitialized variable after Ad Avis catches you - bug #10694

engines/sci/engine/workarounds.cpp

@@ -491,7 +491,7 @@ const SciWorkaroundEntry uninitializedReadWorkarounds[] = {
 	{ GID_QFG4,           -1, 64917, -1,       "controlPlane", "setBitmap",                       NULL,     3,     3, { WORKAROUND_FAKE,   0 } }, // floppy version, when entering the game menu
 	{ GID_QFG4,           -1, 64917, -1,              "Plane", "setBitmap",                       NULL,     3,     3, { WORKAROUND_FAKE,   0 } }, // floppy version, happens sometimes in fight scenes
 	{ GID_QFG4,          380,    80, -1,           "myButton", "select",                          NULL,     2,     2, { WORKAROUND_FAKE,   1 } }, // CD version, when clicking on a puzzle piece for the keyhole scrambled picture puzzle
-	{ GID_QFG4,          520, 64950,  0,             "fLake2", "handleEvent",                     NULL,     0,     0, { WORKAROUND_FAKE,   0 } }, // CD version, at the lake, when meeting the Rusalka and attempting to leave
+	{ GID_QFG4,           -1, 64950, -1,            "Feature", "handleEvent",                     NULL,     0,     0, { WORKAROUND_FAKE,   0 } }, // CD version, at the lake, when meeting the Rusalka and attempting to leave, and after Ad Avis catches you, and finishes his monologue
 	{ GID_QFG4,           -1, 64964,  0,              "DPath", "init",                            NULL,     1,     1, { WORKAROUND_FAKE,   0 } }, // CD version, walking down to the monastery basement or entering the Gypsy Camp
 	{ GID_QFG4,           -1, 64950,  0,               "View", "handleEvent",                     NULL,     0,     0, { WORKAROUND_FAKE,   0 } }, // CD version, in the room with the spider pillar, when climbing on the pillar, or when using the Glide spell in the swamp
 	{ GID_RAMA,           -1, 64950, -1,                 NULL, "handleEvent",                     NULL,     0,     0, { WORKAROUND_FAKE,   0 } }, // When clicking on the main game interface, or the main menu buttons, or mousing over things in the main game window