Added a check for patternSize and removed a useless check.
Added a check for patternSize and removed a useless check.

black78/taglib,MaxLeb/taglib,taglib/taglib,i80and/taglib,TsudaKageyu/taglib,taglib/taglib,pbhd/taglib,pbhd/taglib,dlz1123/taglib,MaxLeb/taglib,videolabs/taglib,i80and/taglib,Distrotech/taglib,Distrotech/taglib,i80and/taglib,dlz1123/taglib,videolabs/taglib,dlz1123/taglib,black78/taglib,davispuh/taglib,black78/taglib,videolabs/taglib,TsudaKageyu/taglib,pbhd/taglib,davispuh/taglib,Distrotech/taglib,taglib/taglib,MaxLeb/taglib,TsudaKageyu/taglib,davispuh/taglib