OSB-6: modified NPMInstall.cmake - missing cmake install prefix

CMake/FindNPM.cmake

@@ -24,7 +24,7 @@
 # You should have received a copy of the GNU General Public License along
 # with the LOFAR software suite. If not, see <http://www.gnu.org/licenses/>.
 #
-# $Id: FindALGLIB.cmake 21886 2012-09-04 11:57:26Z mol $
+# $Id: FindALGLIB.cmake 21886 2012-09-04 11:57:26Z mol  $
 
 if(NOT NPM_FOUND)
 	find_program(NPM_EXECUTABLE NAMES npm HINTS ENV/npm ${NPM_ROOT}/npm)

CMake/NPMInstall.cmake

@@ -112,7 +112,7 @@ function(npm_install NPM_PACKAGE_SPECIFICATION)
 	
 	message(${NPM_INSTALL_DESTINATION})
 	
-	install(DIRECTORY ${NPM_BINARY_DIR}/build/ DESTINATION ${NPM_INSTALL_DESTINATION})
+	install(DIRECTORY ${NPM_BINARY_DIR}/build/ DESTINATION ${CMAKE_INSTALL_PREFIX}/${NPM_INSTALL_DESTINATION})
 
 endfunction(npm_install)