Fixed exclude flag issue with functions_lib.sh

Include the all text named functions within functions_lib.sh call if the -e flag is set.

Signed-off-by: Niall T <jammasterj89@gmail.com>

docker-bench-security.sh

@@ -138,7 +138,7 @@ main () {
     cis
   elif [ -z "$check" ] && [ "$checkexclude" ]; then
     checkexcluded="$(echo ",$checkexclude" | sed -e 's/^/\^/g' -e 's/,/\$|/g' -e 's/$/\$/g')"
-    for c in $(grep 'check_[0-9]' functions_lib.sh | grep -vE "$checkexcluded"); do
+    for c in $(grep -E 'check_[0-9]|check_[a-z]' functions_lib.sh | grep -vE "$checkexcluded"); do
       "$c"
     done
   else