recovery: [cosmetic] replace whitespaces with tabs where appropriate

Signed-off-by: Hector Palacios <hector.palacios@digi.com>
(cherry picked from commit f806979c84)

meta-digi-dey/recipes-core/recovery/recovery-utils/recovery-utils/lib/recovery.c

@@ -773,9 +773,7 @@ int set_encryption_key(char *key, unsigned char force)
 		}
 	}
 
-	key_cmd =
-	    calloc(1,
-		   strlen("encryption_key=") +
+	key_cmd = calloc(1, strlen("encryption_key=") +
 			 (generate_random_key ? 0 : strlen(key)) + 1);
 	if (!key_cmd) {
 		fprintf(stderr, "Error: calloc 'key_cmd'\n");