BUG: Wrong variable name for OpenCV lib path.
BUG: Wrong variable name for OpenCV lib path.

OpenCV_LIB_DIR is the actual variable name used
inside OpenCV configuration. This fix sets the
correct path for opencv libraries so that they
can be found in ITK external apps.

Change-Id: I00e5c5305e6749d88c8379e2d13278a8f613466b

paulnovo/ITK,hjmjohnson/ITK,PlutoniumHeart/ITK,thewtex/ITK,vfonov/ITK,heimdali/ITK,LucasGandel/ITK,rhgong/itk-with-dom,BRAINSia/ITK,BlueBrain/ITK,biotrump/ITK,blowekamp/ITK,fbudin69500/ITK,LucHermitte/ITK,hjmjohnson/ITK,blowekamp/ITK,PlutoniumHeart/ITK,PlutoniumHeart/ITK,hendradarwin/ITK,LucHermitte/ITK,jcfr/ITK,LucasGandel/ITK,BRAINSia/ITK,thewtex/ITK,eile/ITK,richardbeare/ITK,PlutoniumHeart/ITK,hendradarwin/ITK,fuentesdt/InsightToolkit-dev,hinerm/ITK,malaterre/ITK,stnava/ITK,fuentesdt/InsightToolkit-dev,zachary-williamson/ITK,jcfr/ITK,fbudin69500/ITK,spinicist/ITK,zachary-williamson/ITK,Kitware/ITK,GEHC-Surgery/ITK,rhgong/itk-with-dom,hinerm/ITK,hinerm/ITK,rhgong/itk-with-dom,zachary-williamson/ITK,fbudin69500/ITK,spinicist/ITK,zachary-williamson/ITK,spinicist/ITK,fedral/ITK,heimdali/ITK,Kitware/ITK,PlutoniumHeart/ITK,spinicist/ITK,richardbeare/ITK,LucHermitte/ITK,jmerkow/ITK,msmolens/ITK,ajjl/ITK,biotrump/ITK,rhgong/itk-with-dom,malaterre/ITK,Kitware/ITK,paulnovo/ITK,blowekamp/ITK,thewtex/ITK,jcfr/ITK,hjmjohnson/ITK,fbudin69500/ITK,hendradarwin/ITK,jcfr/ITK,malaterre/ITK,stnava/ITK,atsnyder/ITK,eile/ITK,heimdali/ITK,eile/ITK,vfonov/ITK,richardbeare/ITK,GEHC-Surgery/ITK,fedral/ITK,hinerm/ITK,fedral/ITK,biotrump/ITK,malaterre/ITK,msmolens/ITK,biotrump/ITK,richardbeare/ITK,stnava/ITK,hinerm/ITK,zachary-williamson/ITK,vfonov/ITK,LucasGandel/ITK,rhgong/itk-with-dom,paulnovo/ITK,eile/ITK,hinerm/ITK,vfonov/ITK,jmerkow/ITK,msmolens/ITK,paulnovo/ITK,fuentesdt/InsightToolkit-dev,LucHermitte/ITK,hinerm/ITK,PlutoniumHeart/ITK,vfonov/ITK,LucasGandel/ITK,biotrump/ITK,fedral/ITK,heimdali/ITK,vfonov/ITK,rhgong/itk-with-dom,fbudin69500/ITK,LucasGandel/ITK,msmolens/ITK,spinicist/ITK,LucasGandel/ITK,atsnyder/ITK,LucasGandel/ITK,malaterre/ITK,zachary-williamson/ITK,hinerm/ITK,GEHC-Surgery/ITK,InsightSoftwareConsortium/ITK,stnava/ITK,LucHermitte/ITK,biotrump/ITK,GEHC-Surgery/ITK,hinerm/ITK,heimdali/ITK,atsnyder/ITK,InsightSoftwareConsortium/ITK,hendradarwin/ITK,jmerkow/ITK,paulnovo/ITK,thewtex/ITK,vfonov/ITK,fuentesdt/InsightToolkit-dev,jcfr/ITK,rhgong/itk-with-dom,stnava/ITK,atsnyder/ITK,InsightSoftwareConsortium/ITK,fbudin69500/ITK,atsnyder/ITK,LucasGandel/ITK,stnava/ITK,Kitware/ITK,GEHC-Surgery/ITK,PlutoniumHeart/ITK,Kitware/ITK,fbudin69500/ITK,malaterre/ITK,LucHermitte/ITK,eile/ITK,ajjl/ITK,richardbeare/ITK,spinicist/ITK,malaterre/ITK,blowekamp/ITK,hendradarwin/ITK,hjmjohnson/ITK,hendradarwin/ITK,msmolens/ITK,hendradarwin/ITK,BRAINSia/ITK,BRAINSia/ITK,malaterre/ITK,BlueBrain/ITK,BlueBrain/ITK,heimdali/ITK,GEHC-Surgery/ITK,fedral/ITK,jcfr/ITK,BlueBrain/ITK,fedral/ITK,paulnovo/ITK,jmerkow/ITK,stnava/ITK,fuentesdt/InsightToolkit-dev,zachary-williamson/ITK,spinicist/ITK,fbudin69500/ITK,ajjl/ITK,LucHermitte/ITK,GEHC-Surgery/ITK,paulnovo/ITK,GEHC-Surgery/ITK,Kitware/ITK,hjmjohnson/ITK,msmolens/ITK,BRAINSia/ITK,ajjl/ITK,fedral/ITK,jcfr/ITK,BRAINSia/ITK,eile/ITK,biotrump/ITK,ajjl/ITK,jmerkow/ITK,blowekamp/ITK,fuentesdt/InsightToolkit-dev,zachary-williamson/ITK,atsnyder/ITK,heimdali/ITK,eile/ITK,spinicist/ITK,hjmjohnson/ITK,InsightSoftwareConsortium/ITK,InsightSoftwareConsortium/ITK,atsnyder/ITK,richardbeare/ITK,ajjl/ITK,atsnyder/ITK,stnava/ITK,fuentesdt/InsightToolkit-dev,InsightSoftwareConsortium/ITK,ajjl/ITK,malaterre/ITK,rhgong/itk-with-dom,blowekamp/ITK,fedral/ITK,LucHermitte/ITK,hjmjohnson/ITK,heimdali/ITK,msmolens/ITK,biotrump/ITK,BlueBrain/ITK,blowekamp/ITK,thewtex/ITK,jmerkow/ITK,eile/ITK,fuentesdt/InsightToolkit-dev,vfonov/ITK,richardbeare/ITK,spinicist/ITK,jcfr/ITK,hendradarwin/ITK,zachary-williamson/ITK,thewtex/ITK,fuentesdt/InsightToolkit-dev,BlueBrain/ITK,jmerkow/ITK,thewtex/ITK,InsightSoftwareConsortium/ITK,eile/ITK,stnava/ITK,vfonov/ITK,PlutoniumHeart/ITK,msmolens/ITK,jmerkow/ITK,paulnovo/ITK,Kitware/ITK,ajjl/ITK,BRAINSia/ITK,BlueBrain/ITK,blowekamp/ITK,BlueBrain/ITK,atsnyder/ITK