Update Windows build scripts for Visual Studio 2019

$env:CMAKE_GENERATOR_PLATFORM is only used in configure-dev.ps1 but now
is also required in configure.ps1 to allow the build pipeline to be
upgraded to Visual Studio 2019.

Additionally bump the versions in paths for Boost and OpenSSL.

tools/win32/configure.ps1

@@ -17,16 +17,19 @@ if (-not ($env:PATH -contains $env:CMAKE_PATH)) {
   $env:PATH = $env:CMAKE_PATH + ';' + $env:PATH
 }
 if (-not (Test-Path env:CMAKE_GENERATOR)) {
-  $env:CMAKE_GENERATOR = 'Visual Studio 15 2017 Win64'
+  $env:CMAKE_GENERATOR = 'Visual Studio 16 2019'
+}
+if (-not (Test-Path env:CMAKE_GENERATOR_PLATFORM)) {
+  $env:CMAKE_GENERATOR_PLATFORM = 'x64'
 }
 if (-not (Test-Path env:OPENSSL_ROOT_DIR)) {
-  $env:OPENSSL_ROOT_DIR = 'c:\local\OpenSSL_1_1_1b-Win64'
+  $env:OPENSSL_ROOT_DIR = 'c:\local\OpenSSL_1_1_1h-Win64'
 }
 if (-not (Test-Path env:BOOST_ROOT)) {
-  $env:BOOST_ROOT = 'c:\local\boost_1_69_0-Win64'
+  $env:BOOST_ROOT = 'c:\local\boost_1_71_0-Win64'
 }
 if (-not (Test-Path env:BOOST_LIBRARYDIR)) {
-  $env:BOOST_LIBRARYDIR = 'c:\local\boost_1_69_0-Win64\lib64-msvc-14.1'
+  $env:BOOST_LIBRARYDIR = 'c:\local\boost_1_71_0-Win64\lib64-msvc-14.2'
 }
 if (-not (Test-Path env:FLEX_BINARY)) {
   $env:FLEX_BINARY = 'C:\ProgramData\chocolatey\bin\win_flex.exe'
@@ -48,7 +51,7 @@ if (Test-Path CMakeCache.txt) {
 
 & cmake.exe "$sourcePath" `
   -DCMAKE_BUILD_TYPE="$env:CMAKE_BUILD_TYPE" `
-  -G "$env:CMAKE_GENERATOR" -DCPACK_GENERATOR=WIX `
+  -G "$env:CMAKE_GENERATOR" -A "$env:CMAKE_GENERATOR_PLATFORM" -DCPACK_GENERATOR=WIX `
   -DICINGA2_WITH_MYSQL=OFF -DICINGA2_WITH_PGSQL=OFF `
   -DICINGA2_WITH_LIVESTATUS=OFF -DICINGA2_WITH_COMPAT=OFF `
   -DOPENSSL_ROOT_DIR="$env:OPENSSL_ROOT_DIR" `

tools/win32/load-vsenv.ps1

@@ -18,7 +18,7 @@ if (-not (Test-Path $BUILD)) {
 if (Test-Path env:VS_INSTALL_PATH) {
   $VSBASE = $env:VS_INSTALL_PATH
 } else {
-  $VSBASE = "C:\Program Files (x86)\Microsoft Visual Studio\2017"
+  $VSBASE = "C:\Program Files (x86)\Microsoft Visual Studio\2019"
 }
 
 if (Test-Path env:BITS) {