openscap: Link to CAP_LIBRARIES if found

This fixes undefined reference errors when libcap libraries
found in the system
../../../../src/libopenscap.so.25.0.0: undefined reference to
`cap_get_flag'
 undefined reference to `cap_get_pid'
 undefined reference to `cap_free'
 undefined reference to `cap_to_name'

Author: Prasanth-rp

src/CMakeLists.txt

@@ -118,6 +118,9 @@ endif()
 if(ACL_FOUND)
 	target_link_libraries(openscap ${ACL_LIBRARY})
 endif()
+if(CAP_FOUND)
+	target_link_libraries(openscap ${CAP_LIBRARIES})
+endif()
 
 if(WIN32)
 	set(OPENSCAP_INSTALL_DESTINATION ".")