private-fabrics: fix spelling in comment

Copolit insist on correct spelling.

Signed-off-by: Daniel Wagner <wagi@kernel.org>

Author: igaw

libnvme/src/nvme/private-fabrics.h

@@ -41,7 +41,7 @@ struct libnvmf_context {
 	int default_max_discovery_retries;
 	int default_keep_alive_timeout;
 
-	/* common fabrics configuraiton */
+	/* common fabrics configuration */
 	const char *device;
 	bool persistent;
 	struct libnvme_fabrics_config cfg;