Support passing of Ulimits as -1 to mean max

Docker allows the passing of -1 to indicate the maximum limit
allowed for the current process.

Fixes: https://github.com/containers/podman/issues/19319

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

libpod/container_internal_common.go

@@ -644,7 +644,8 @@ func (c *Container) generateSpec(ctx context.Context) (s *spec.Spec, cleanupFunc
 		for _, rlimit := range c.config.Spec.Process.Rlimits {
 			if rlimit.Type == "RLIMIT_NOFILE" {
 				nofileSet = true
-			} else if rlimit.Type == "RLIMIT_NPROC" {
+			}
+			if rlimit.Type == "RLIMIT_NPROC" {
 				nprocSet = true
 			}
 		}

libpod/oci_conmon_linux.go

@@ -324,6 +324,5 @@ func GetLimits(resource *spec.LinuxResources) (runcconfig.Resources, error) {
 
 	// Unified state
 	final.Unified = resource.Unified
-
 	return *final, nil
 }