staging: rtl8188eu: initial value placed in the variable

Line become shorter.
After the loop offset variable points to the location following insertion.

Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/rtl8188eu/hal/fw.c b/drivers/staging/rtl8188eu/hal/fw.c
index 70825e0..99dd1f0 100644
--- a/drivers/staging/rtl8188eu/hal/fw.c
+++ b/drivers/staging/rtl8188eu/hal/fw.c
@@ -65,11 +65,10 @@
 	blk_cnt = size / blk_sz;
 	remain = size % blk_sz;
 
-	offset = 0;
+	offset = FW_8192C_START_ADDRESS;
 
 	for (i = 0; i < blk_cnt; i++) {
-		usb_write32(adapt, (FW_8192C_START_ADDRESS + offset),
-				pu4BytePtr[i]);
+		usb_write32(adapt, offset, pu4BytePtr[i]);
 		offset += blk_sz;
 	}