Update .htaccess

Co-authored-by: Benjamin Gaussorgues <benjamin.gaussorgues@nextcloud.com>
Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

.htaccess

@@ -90,7 +90,7 @@
   RewriteRule ^remote/(.*) remote.php [QSA,L]
   RewriteRule ^(?:build|tests|config|lib|3rdparty|templates)/.* - [R=404,L]
   RewriteRule ^\.well-known/(?!acme-challenge|pki-validation) /index.php [QSA,L]
-  RewriteRule ^ocm-provider /index.php [QSA,L]
+  RewriteRule ^ocm-provider/?$ /index.php [QSA,L]
   RewriteRule ^(?:\.(?!well-known)|autotest|occ|issue|indie|db_|console).* - [R=404,L]
 </IfModule>