biostables: Minor - fix incorrect indentation

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/src/fw/biostables.c b/src/fw/biostables.c
index cc7a730..cb74396 100644
--- a/src/fw/biostables.c
+++ b/src/fw/biostables.c
@@ -452,7 +452,7 @@
 smbios_setup(void)
 {
     if (smbios_romfile_setup())
-      return;
+        return;
     smbios_legacy_setup();
 }