staging: r8188eu: replace tabs with space in odm_query_rxpwrpercentage()

In statements spaces should be used not tabs. Replace tabs withs spaces
in two return statements in odm_query_rxpwrpercentage().

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220911161949.11293-7-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/odm_HWConfig.c

@@ -6,9 +6,9 @@
 static u8 odm_query_rxpwrpercentage(s8 antpower)
 {
 	if ((antpower <= -100) || (antpower >= 20))
-		return	0;
+		return 0;
 	else if (antpower >= 0)
-		return	100;
+		return 100;
 	else
 		return 100 + antpower;
 }