SuperBuild: ensure netcdf install into lib

SuperBuild/patches/NETCDF/netcdf-1-hdfAlt-all.diff

 diff -burN netcdf-4.4.1.1-orig/CMakeLists.txt netcdf-4.4.1.1/CMakeLists.txt
 --- netcdf-4.4.1.1-orig/CMakeLists.txt	2017-09-18 19:22:31.832817084 +0200
-+++ netcdf-4.4.1.1/CMakeLists.txt	2017-09-18 19:23:32.001343319 +0200
-@@ -434,12 +434,12 @@
++++ netcdf-4.4.1.1/CMakeLists.txt	2017-09-30 20:40:55.921482581 +0200
+@@ -76,6 +76,7 @@
+ 
+ # For CMAKE_INSTALL_LIBDIR
+ INCLUDE(GNUInstallDirs)
++SET(CMAKE_INSTALL_LIBDIR lib)
+ 
+ IF(MSVC)
+   SET(GLOBAL PROPERTY USE_FOLDERS ON)
+@@ -434,12 +435,12 @@
      INCLUDE_DIRECTORIES(${MFHDF_H_INCLUDE_DIR})
    ENDIF()