qmlglsink: fix compilation with Qt >= 5.5 on Windows

As of Qt >= 5.5, qmake do not link to opengl32 by default anymore. This commit adds opengl32.lib to the .pro
file so that the plugin can be build using QtCreator on Windows.

diff --git a/ext/qt/qtplugin.pro b/ext/qt/qtplugin.pro
index c84e465..a4a63d5 100644 (file)
--- a/ext/qt/qtplugin.pro
+++ b/ext/qt/qtplugin.pro
@@ -21,6 +21,8 @@ android:DEFINES += HAVE_QT_ANDROID
 win32:DEFINES += HAVE_QT_WIN32
 macx:DEFINES += HAVE_QT_MAC
 
+versionAtLeast(QT_VERSION, "5.5"):win32-msvc: LIBS += opengl32.lib
+
 SOURCES += \
     gstplugin.cc \
     gstqtglutility.cc \