Linking: Reduce library dependencies in welcome module

Welcome is only interested in checking partitions, not
in resizing them, so stick to one library. This will
become moot when the checks move to partitionmanager
and KPMCore can do the things.

src/modules/welcome/CMakeLists.txt

@@ -12,7 +12,7 @@ set( CHECKER_SOURCES
     checker/partman_devices.c
 )
 set( CHECKER_LINK_LIBRARIES
-    ${LIBPARTED_LIBS}
+    ${LIBPARTED_LIBRARY}
     Qt5::DBus
     Qt5::Network
 )