SCI: workaround for sq4 hintbook script bug (#6447)

engines/sci/engine/workarounds.cpp

@@ -180,6 +180,9 @@ const SciWorkaroundEntry uninitializedReadWorkarounds[] = {
 	{ GID_SQ1,            -1,   703,  0,         "firePulsar", "changeState", 0x18a,    0, { WORKAROUND_FAKE,   0 } }, // export 1, but called locally (when shooting at aliens)
 	{ GID_SQ4,            -1,   398,  0,            "showBox", "changeState",    -1,    0, { WORKAROUND_FAKE,   0 } }, // CD: called when rummaging in Software Excess bargain bin
 	{ GID_SQ4,            -1,   928, -1,           "Narrator", "startText",      -1, 1000, { WORKAROUND_FAKE,   1 } }, // CD: happens in the options dialog and in-game when speech and subtitles are used simultaneously
+	{ GID_SQ4,            -1,   708, -1,            "exitBut", "doVerb",         -1,    0, { WORKAROUND_FAKE,   0 } }, // Floppy: happens, when looking at the "close" button in the sq4 hintbook - bug #6447
+	{ GID_SQ4,            -1,   708, -1,            "prevBut", "doVerb",         -1,    0, { WORKAROUND_FAKE,   0 } }, // Floppy: happens, when looking at the "previous" button in the sq4 hintbook - bug #6447
+	{ GID_SQ4,            -1,   708, -1,            "nextBut", "doVerb",         -1,    0, { WORKAROUND_FAKE,   0 } }, // Floppy: happens, when looking at the "next" button in the sq4 hintbook - bug #6447
 	{ GID_SQ5,           201,   201,  0,        "buttonPanel", "doVerb",         -1,    0, { WORKAROUND_FAKE,   1 } }, // when looking at the orange or red button - bug #3038563
 	{ GID_SQ6,            -1,     0,  0,                "SQ6", "init",           -1,    2, { WORKAROUND_FAKE,   0 } }, // Demo and full version: called when the game starts (demo: room 0, full: room 100)
 	{ GID_SQ6,            -1, 64950, -1,            "Feature", "handleEvent",    -1,    0, { WORKAROUND_FAKE,   0 } }, // called when pressing "Start game" in the main menu, when entering the Orion's Belt bar (room 300), and perhaps other places