PartitionModule: look for atasmart and blkid, to avoid link-time failure.

This just puts a warning in the cmake log, but will help diagnose
situations where libatasmart.so.4 is installed, but libatasmart.so
is not -- in which case -latasmart fails.

src/modules/partition/CMakeLists.txt

@@ -11,6 +11,15 @@ find_package( KF5 REQUIRED CoreAddons )
 find_package( KF5 REQUIRED Config I18n IconThemes KIO Service )
 
 find_package( KPMcore 3.0.3 REQUIRED )
+find_library( atasmart_LIB atasmart )
+find_library( blkid_LIB blkid )
+if( NOT atasmart_LIB )
+  message( WARNING "atasmart library not found." )
+endif()
+if( NOT blkid_LIB )
+  message( WARNING "blkid library not found." )
+endif()
+
 
 add_subdirectory( tests )