Colin Snover 5d8cf6ba42 BACKENDS: Fix GraphicsManager handling of empty cursors
The SDL graphics manager was just ignoring calls from CursorMan to
set the cursor to a blank cursor, which meant engines that did not
immediately send a cursor to CursorMan at startup would still show
the launcher's cursor (usually with a broken palette).

The OpenGL graphics manager would try to generate and draw an
invalid cursor surface when receiving an empty cursor.
2017-10-15 13:24:20 -05:00
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2016-03-16 20:29:24 +01:00