Fix build on *nix

This fixes the build error which introduced from
ba204a95e6650a6992510530c1fa5a4dac2b5da8

Change-Id: I66a8a059826ede47f5ace9b86970bf91a2de1e26
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/serialport/qserialport_unix.cpp b/src/serialport/qserialport_unix.cpp
index df8e9cb..f2c13cc 100644
--- a/src/serialport/qserialport_unix.cpp
+++ b/src/serialport/qserialport_unix.cpp
@@ -398,8 +398,8 @@ qint64 QSerialPortPrivate::readData(char *data, qint64 maxSize)
     const qint64 result = readBuffer.read(data, maxSize);
     // We need try to re-trigger the read notification to read a remainder from a
     // driver's queue in case we have a limited read buffer size.
-    if (d->readBufferMaxSize && result > 0 && !d->isReadNotificationEnabled())
-        d->setReadNotificationEnabled(true);
+    if (readBufferMaxSize && result > 0 && !isReadNotificationEnabled())
+        setReadNotificationEnabled(true);
     return result;
 }