Fix for undefined reference (#1871)
Fix for undefined reference (#1871)


google/earthenterprise,google/earthenterprise,tst-ccamp/earthenterprise,tst-ccamp/earthenterprise,tst-lsavoie/earthenterprise,google/earthenterprise,google/earthenterprise,tst-lsavoie/earthenterprise,tst-ccamp/earthenterprise,tst-lsavoie/earthenterprise,google/earthenterprise,tst-lsavoie/earthenterprise,tst-lsavoie/earthenterprise,tst-ccamp/earthenterprise,tst-ccamp/earthenterprise,tst-lsavoie/earthenterprise,tst-ccamp/earthenterprise,tst-ccamp/earthenterprise,tst-ccamp/earthenterprise,tst-ccamp/earthenterprise,google/earthenterprise,tst-lsavoie/earthenterprise,tst-lsavoie/earthenterprise,google/earthenterprise,google/earthenterprise