staging: rtl8723au: else is not generally useful after a return

Correct a checkpatch.pl warning regarding rtl8723au's
rtw_security.c::crc32_init pointing out that having an else statement
after a break or a return is not useful.

drivers/staging/rtl8723au/core/rtw_security.c:105:
	WARNING: else is not generally useful after a break or return
Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_security.c

@@ -99,22 +99,24 @@ static u8 crc32_reverseBit(u8 data)
 
 static void crc32_init(void)
 {
-
-	if (bcrc32initialized == 1)
-		return;
-	else{
 	int i, j;
 	u32 c;
-		u8 *p = (u8 *)&c, *p1;
+	u8 *p, *p1;
 	u8 k;
 
+	if (bcrc32initialized == 1)
+		return;
+
+	p = (u8 *) &c;
 	c = 0x12340000;
 
 	for (i = 0; i < 256; ++i) {
 		k = crc32_reverseBit((u8)i);
+
 		for (c = ((u32)k) << 24, j = 8; j > 0; --j) {
 			c = c & 0x80000000 ? (c << 1) ^ CRC32_POLY : (c << 1);
 		}
+
 		p1 = (u8 *)&crc32_table[i];
 
 		p1[0] = crc32_reverseBit(p[3]);
@@ -122,8 +124,8 @@ static void crc32_init(void)
 		p1[2] = crc32_reverseBit(p[1]);
 		p1[3] = crc32_reverseBit(p[0]);
 	}
+
 	bcrc32initialized = 1;
-	}
 }
 
 static u32 getcrc32(u8 *buf, int len)