Suggest ext-krb5

Signed-off-by: Jaime Pérez Crespo <[email protected]>

Author: jaimeperez

composer.json

@@ -28,7 +28,6 @@
     },
     "require": {
         "php": ">=5.6",
-
         "simplesamlphp/composer-module-installer": "~1.1",
         "simplesamlphp/simplesamlphp-module-ldap": "^0.9",
         "webmozart/assert": "~1.4"
@@ -37,6 +36,9 @@
         "simplesamlphp/simplesamlphp": "^1.17",
         "phpunit/phpunit": "~5.7"
     },
+    "suggest": {
+        "ext-krb5": "Needed in case the SimpleSAMLphp negotiate module is used"
+    },
     "support": {
         "issues": "https://github.com/tvdijen/simplesamlphp-module-negotiate/issues",
         "source": "https://github.com/tvdijen/simplesamlphp-module-negotiate"