Fixed issue where crop rect could be negative.
Fixed issue where crop rect could be negative.

MediehusetTek/tinymce,howanghk/tinymce,howanghk/tinymce,dziemian007/tinymce,fashionsun/tinymce,fillabs/TinySpecMCE,sjbufton/tinymce,endjin/tinymce,support-dot-com/tinymce,support-dot-com/tinymce,rednose-public/tinymce,ikuchmin/tinymce,tinymce/tinymce,shilpi230/tinymce,VioletLife/tinymce,1099511627776/tinymce,nbcp/tinymce,tinymce/tinymce,blakewallan/tinymce,nbcp/tinymce,Razzwan/tinymce,tinymce/tinymce,fhchina/tinymce,pmpl-5/tinymce,TeamupCom/tinymce,gencer/tinymce,enfold/tinymce,rbecheras/tinymce,kencheung/tinymce,M4R7iNP/tinymce,shilpi230/tinymce,ETSI-CTI/TinySpecMCE,M4R7iNP/tinymce,Zimbra/tinymce,simachewh/tinymce,danchr/tinymce,henrythewasp/tinymce,TeamupCom/tinymce,Razzwan/tinymce,nikolas/tinymce,ikuchmin/tinymce,endjin/tinymce,adaptiffdesigns/tinymce,danchr/tinymce,enfold/tinymce,gencer/tinymce,dziemian007/tinymce,gabixdev/tinymce,Zimbra/tinymce,leofeyer/tinymce,FernCreek/tinymce,rbecheras/tinymce,sachgits/tinymce,nikolas/tinymce,fashionsun/tinymce,sjbufton/tinymce,bsuh/tinymce,pmpl-5/tinymce,adaptiffdesigns/tinymce,FernCreek/tinymce,rednose-public/tinymce,leofeyer/tinymce,fillabs/TinySpecMCE,danielpunkass/tinymce,sachgits/tinymce,danielpunkass/tinymce,jashua212/tinymce,1099511627776/tinymce,jtark/tinymce,rxl194/tinymce,VioletLife/tinymce,aduth/tinymce,FernCreek/tinymce,simachewh/tinymce,aduth/tinymce,ETSI-CTI/TinySpecMCE,danielpunkass/tinymce,rxl194/tinymce,jtark/tinymce,henrythewasp/tinymce,bsuh/tinymce,blakewallan/tinymce,MediehusetTek/tinymce,gabixdev/tinymce,jashua212/tinymce,fhchina/tinymce,kencheung/tinymce