fastboot: Make the format of "devices -l" match adb's

Change-Id: Iec7b02fee8298a4437d1827623e9f61688a73f42
Signed-off-by: Scott Anderson <saa@android.com>
diff --git a/fastboot/fastboot.c b/fastboot/fastboot.c
index f1b675f..6e42436 100644
--- a/fastboot/fastboot.c
+++ b/fastboot/fastboot.c
@@ -181,15 +181,13 @@
         if (!serial[0]) {
             serial = "????????????";
         }
+        // output compatible with "adb devices"
         if (!long_listing) {
-            // output compatible with "adb devices"
             printf("%s\tfastboot\n", serial);
+        } else if (!info->device_path) {
+            printf("%-22s fastboot\n", serial);
         } else {
-            char* device_path = info->device_path;
-            if (!device_path[0]) {
-                device_path = "????????????";
-            }
-            printf("%s\t%s\tfastboot\n", serial, device_path);
+            printf("%-22s fastboot %s\n", serial, info->device_path);
         }
     }