Mk/Uses/qt.mk: Fix metaports after USE_QT change

devel/qt5 and devel/qt6 use a generated USE_QT that wasn't caught by
commit ddae4e92:
	Mk/Uses: always use colon for build/run suffix

Fix it manually.

Approved by:		tcberner (mentor)
Differential Revision:	https://reviews.freebsd.org/D36524

devel/qt5/Makefile

@@ -10,7 +10,7 @@ WWW=		https://www.qt.io/
 # * phonon4 is not part of Qt itself.
 # * we don't want to pull in wayland just yet.
 # XXX(rene) exclude webengine
-USE_QT=		${_USE_QT_ALL:Nphonon4:Ndeclarative:Nwayland:Nwebengine:S/$/_run/}
+USE_QT=		${_USE_QT_ALL:Nphonon4:Ndeclarative:Nwayland:Nwebengine:S/$/:run/}
 USES=		metaport qt:5
 
 .include <bsd.port.mk>

devel/qt6/Makefile

@@ -7,6 +7,6 @@ COMMENT=	Cross-platform application and UI framework (metaport)
 WWW=		https://www.qt.io/
 
 USES=		metaport qt:6
-USE_QT=		${_USE_QT_ALL:S/$/_run/}
+USE_QT=		${_USE_QT_ALL:S/$/:run/}
 
 .include <bsd.port.mk>