x509: Update install script for Go 1.10.

x509/install.sh

@@ -5,3 +5,13 @@ shopt -s failglob
 
 cp -a $(go env GOROOT)/src/crypto/x509/* ./
 rm ./x509_test.go
+
+# The following code is utterly horrifying.  I can't find a better way to do it.  :(
+mkdir -p ${GOPATH}/src/vendor/golang.org/
+cp -R $(go env GOROOT)/src/vendor/golang_org/* ${GOPATH}/src/vendor/golang.org/
+# h/t to https://www.cyberciti.biz/faq/unix-linux-replace-string-words-in-many-files/
+OLD_PACKAGE='"golang_org/x/crypto/cryptobyte'
+OLD_PACKAGE="${OLD_PACKAGE//\//\\/}"
+NEW_PACKAGE='"golang.org/x/crypto/cryptobyte'
+NEW_PACKAGE="${NEW_PACKAGE//\//\\/}"
+sed -i "s/${OLD_PACKAGE}/${NEW_PACKAGE}/g" ./*.go ${GOPATH}/src/vendor/golang.org/x/crypto/cryptobyte/*.go