Fix cryptest-autotools.sh on OS X

Needed to remove quarantine bit

TestScripts/cryptest-autotools.sh

@@ -122,6 +122,10 @@ chmod +w config.sub
 mv config.sub.new config.sub
 chmod +x config.sub
 
+if [[ "$IS_DARWIN" -ne 0 ]]; then
+    xattrib -r com.apple.quarantine config.sub &>/dev/null
+fi
+
 echo "Updating config.guess"
 wget -O config.guess.new -q --no-check-certificate 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess'
 
@@ -130,6 +134,10 @@ chmod +w config.guess
 mv config.guess.new config.guess
 chmod +x config.guess
 
+if [[ "$IS_DARWIN" -ne 0 ]]; then
+    xattrib -r com.apple.quarantine config.guess &>/dev/null
+fi
+
 #############################################################################
 
 echo "Running configure"