FreeBSD CMakeLists.txt fix.

Author: dreibh

src/CMakeLists.txt

@@ -3,7 +3,10 @@
 #############################################################################
 
 ADD_EXECUTABLE(subnetcalc subnetcalc.cc tools.cc)
-TARGET_LINK_LIBRARIES(subnetcalc ${Intl_LIBRARIES} ${GeoIP_LIBRARY})
+TARGET_LINK_LIBRARIES(subnetcalc ${Intl_LIBRARIES})
+IF (GEOIP_FOUND)
+   TARGET_LINK_LIBRARIES(subnetcalc ${GeoIP_LIBRARY})
+ENDIF()
 INSTALL(TARGETS subnetcalc   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 INSTALL(FILES   subnetcalc.1 DESTINATION         ${CMAKE_INSTALL_MANDIR}/man1)
 INSTALL(FILES       subnetcalc.bash-completion