hw/ide/pci.c: Coding style update to fix checkpatch errors

Spaces are required around a + operator and if statements should have
braces even for single line. Also make it simpler by reversing the
condition instead of breaking the loop.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 0d50336ab26a56240c8c17ca1ec6135a4092fcc9.1584457537.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>

hw/ide/pci.c

@@ -485,9 +485,9 @@ void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table)
     int i;
 
     for (i = 0; i < 4; i++) {
-        if (hd_table[i] == NULL)
-            continue;
-        ide_create_drive(d->bus+bus[i], unit[i], hd_table[i]);
+        if (hd_table[i]) {
+            ide_create_drive(d->bus + bus[i], unit[i], hd_table[i]);
+        }
     }
 }