NSSliderCell tick mark fixes
NSSliderCell tick mark fixes

yuhangwang/cocotron,gemu2015/cocotron-sierra,JackLian/cocotron,yuhangwang/cocotron,cneira/cocotron,ruppmatt/cocotron,crystax/android-vendor-cocotron,guestOS/guestOS,cjwl/cocotron,gemu2015/cocotron-sierra,gemu2015/cocotron-sierra,ruppmatt/cocotron,Suninus/cocotron,plasq/cocotron,crystax/android-vendor-cocotron,yuhangwang/cocotron,JackLian/cocotron,JackLian/cocotron,cyclaero/cocotron,guestOS/guestOS,Suninus/cocotron,cyclaero/cocotron,guestOS/guestOS,gemu2015/cocotron-sierra,yuhangwang/cocotron,plasq/cocotron,plasq/cocotron,cyclaero/cocotron,Suninus/cocotron,crystax/android-vendor-cocotron,JackLian/cocotron,cneira/cocotron,ruppmatt/cocotron,cneira/cocotron,cyclaero/cocotron,cjwl/cocotron,guestOS/guestOS,cneira/cocotron,Suninus/cocotron,crystax/android-vendor-cocotron,cjwl/cocotron,cjwl/cocotron,plasq/cocotron,ruppmatt/cocotron