WSDG: Let Windows developers know that they need Perl.

Add an "Install Perl" section to the "Win32/64: Step-by-Step Guide"
section. Recommend Strawberry Perl first there and in the "Microsoft
compiler toolchain" chapter under the theory that if it's good enough
for Larry Wall then it's good enough for us.

Bug: 15512
Change-Id: I9a01c7ae2da01b98fd20b64d29144577a8f456b2
Reviewed-on: https://code.wireshark.org/review/32088
Reviewed-by: Anders Broman <a.broman58@gmail.com>

docbook/wsdg_src/WSDG_chapter_quick_setup.adoc

@@ -150,6 +150,19 @@ PS$>choco install -y python3
 
 Chocolatey installs Python in _C:\Python37_ by default.
 
+==== Install Perl
+
+Get a Perl installer from http://strawberryperl.com/
+http://www.ActiveState.com/ and install Perl into the default location.
+
+Alternatively you can install Perl using Chocolatey:
+
+----
+PS$>choco install -y strawberryperl
+# ...or...
+PS$>choco install -y activeperl
+----
+
 [[ChSetupGit]]
 
 ==== Install Git

docbook/wsdg_src/WSDG_chapter_tools.adoc

@@ -731,19 +731,20 @@ However, the version string may vary.
 ==== Windows
 
 A native Windows Perl package can be obtained from
-http://www.ActiveState.com[Active State] or http://strawberryperl.com/[Strawberry Perl]. The installation
-should be straightforward.
+http://strawberryperl.com/[Strawberry Perl] or
+http://www.ActiveState.com[Active State]. The installation should be
+straightforward.
 
 You may also use Chocolatey to install either package:
 
 ----
-PS:\> choco install ActivePerl
+PS:\> choco install StrawberryPerl
 ----
 
 or
 
 ----
-PS:\> choco install StrawberryPerl
+PS:\> choco install ActivePerl
 ----
 
 After correct installation, typing at the command