vl.c: fix some alignment issues

The misalignment was caused by tabs which were used instead of spaces.
Signed-off-by: NMarcel Apfelbaum <marcel@redhat.com>
Reviewed-by: NStefan Weil <sw@weilnetz.de>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

vl.c

@@ -2873,7 +2873,7 @@ int main(int argc, char **argv, char **envp)
         if (optind >= argc)
             break;
         if (argv[optind][0] != '-') {
-	    hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
+            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
         } else {
             const QEMUOption *popt;
 
@@ -2918,15 +2918,15 @@ int main(int argc, char **argv, char **envp)
                 if (drive_def(optarg) == NULL) {
                     exit(1);
                 }
-	        break;
+                break;
             case QEMU_OPTION_set:
                 if (qemu_set_option(optarg) != 0)
                     exit(1);
-	        break;
+                break;
             case QEMU_OPTION_global:
                 if (qemu_global_option(optarg) != 0)
                     exit(1);
-	        break;
+                break;
             case QEMU_OPTION_mtdblock:
                 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
                 break;
@@ -2978,7 +2978,7 @@ int main(int argc, char **argv, char **envp)
                         fprintf(stderr, "qemu: invalid physical CHS format\n");
                         exit(1);
                     }
-		    if (hda_opts != NULL) {
+                    if (hda_opts != NULL) {
                         char num[16];
                         snprintf(num, sizeof(num), "%d", cyls);
                         qemu_opt_set(hda_opts, "cyls", num);
@@ -3152,9 +3152,9 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_S:
                 autostart = 0;
                 break;
-	    case QEMU_OPTION_k:
-		keyboard_layout = optarg;
-		break;
+            case QEMU_OPTION_k:
+                keyboard_layout = optarg;
+                break;
             case QEMU_OPTION_localtime:
                 rtc_utc = 0;
                 break;
@@ -3362,9 +3362,9 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_debugcon:
                 add_device_config(DEV_DEBUGCON, optarg);
                 break;
-	    case QEMU_OPTION_loadvm:
-		loadvm = optarg;
-		break;
+            case QEMU_OPTION_loadvm:
+                loadvm = optarg;
+                break;
             case QEMU_OPTION_full_screen:
                 full_screen = 1;
                 break;
@@ -3476,7 +3476,7 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
                 break;
-	    case QEMU_OPTION_vnc:
+            case QEMU_OPTION_vnc:
 #ifdef CONFIG_VNC
                 display_remote++;
                 vnc_display = optarg;
@@ -3514,11 +3514,11 @@ int main(int argc, char **argv, char **envp)
                 }
                 qemu_uuid_set = true;
                 break;
-	    case QEMU_OPTION_option_rom:
-		if (nb_option_roms >= MAX_OPTION_ROMS) {
-		    fprintf(stderr, "Too many option ROMs\n");
-		    exit(1);
-		}
+            case QEMU_OPTION_option_rom:
+                if (nb_option_roms >= MAX_OPTION_ROMS) {
+                    fprintf(stderr, "Too many option ROMs\n");
+                    exit(1);
+                }
                 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
                 if (!opts) {
                     exit(1);
@@ -3530,8 +3530,8 @@ int main(int argc, char **argv, char **envp)
                     fprintf(stderr, "Option ROM file is not specified\n");
                     exit(1);
                 }
-		nb_option_roms++;
-		break;
+                nb_option_roms++;
+                break;
             case QEMU_OPTION_semihosting:
                 semihosting_enabled = 1;
                 semihosting_target = SEMIHOSTING_TARGET_AUTO;