package/qwt: add missing qt5svg dependency

Signed-off-by: Andreas Naumann <anaumann@ultratronik.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit bd99e4e54de06c1183c7823f14b05a3be8061296)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/qwt/qwt.mk

@@ -19,6 +19,7 @@ QWT_CONFIG += -e 's%/features%/mkspecs/features%'
 
 ifeq ($(BR2_PACKAGE_QWT_SVG),y)
 QWT_CONFIG += -e 's/^.*QWT_CONFIG.*QwtSvg.*$$/QWT_CONFIG += QwtSvg/'
+QWT_DEPENDENCIES += qt5svg
 else
 QWT_CONFIG += -e 's/^.*QWT_CONFIG.*QwtSvg.*$$/\# QWT_CONFIG += QwtSvg/'
 endif