* Add several cherrypicks of fixes from upstream git tree which fix various issues and that look safe with low or no risk of regression. + 115_xext_fix_cursor_ref_counting.patch: Xext: Fix cursor reference counting hazard. + 116_fix_typos_in_swap_functions.patch: Fixes typos in several of the glxcmdsswap routines. + 117_fix_crash_with_createglyphset.patch: Fixes crash introduced in FindGlyphsByHash() if one client disconnects while a second is in the middle of doing certain Glyph operations. + 118_xkb_fix_garbage_init.patch: Fixes typo that can cause garbage bits to get appended on the xkbControlsNotify changedControls mask because it was uninitialized on the stack.