[fix] Do not allow skipping of security checks via config file

There were already protections in place for individual file paths and
inspections named on the command line, but this picks up local config
files that have disabled an inspection with security checks in it.

Fixes: #1374

Signed-off-by: David Cantrell <dcantrell@redhat.com>

lib/flags.c

@@ -58,7 +58,7 @@ bool process_inspection_flag(const char *inspection, const bool exclude, uint64_
     for (i = 0; inspections[i].name != NULL; i++) {
         if (!strcasecmp(inspection, inspections[i].name)) {
             /* user specified a valid inspection */
-            if (exclude) {
+            if (exclude && inspections[i].security_checks == false) {
                 *selected &= ~(inspections[i].flag);
                 found = true;
                 break;