net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 3c8728a..eda8808 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -601,7 +601,7 @@
 		slot = 0;
 	slot >>= rtab->rate.cell_log;
 	if (slot > 255)
-		return (rtab->data[255]*(slot >> 8) + rtab->data[slot & 0xFF]);
+		return rtab->data[255]*(slot >> 8) + rtab->data[slot & 0xFF];
 	return rtab->data[slot];
 }