message: Fix kerberos package name
diff: brew install pkg-config autoconf bison re2c openssl krb5 bzip2 enchant libffi libpng webp freetype intltool icu4c libiconv zlib t1lib gd libzip gmp tidyp libxml2 libxslt postgresql >/dev/null 2>&1
  brew link icu4c gettext --force >/dev/null 2>&1
  -for package in gettext gmp bzip2 krb5 icu4c bison openssl libxml2 libffi libxslt libiconv pkgconfig enchant kerberos readline libedit freetype;
  +for package in gettext gmp bzip2 krb5 icu4c bison openssl libxml2 libffi libxslt libiconv pkgconfig enchant krb5 readline libedit freetype;
  do
  caps_package=$(echo "$package" | tr '[:lower:]' '[:upper:]')
  {
  