Add libcurl to required packages in documentation
Add libcurl to required packages in documentation

Follows up on discussion in:
https://groups.google.com/a/chromium.org/g/crashpad-dev/c/1-QgplOJnw8

Change-Id: Ibb6bfca0455f34f23b6d833c4b67fd392eee74ca
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3579505
Reviewed-by: Mark Mentovai <f1b5a91d4d6ad523f2610114591c007e75d15084@chromium.org>
Commit-Queue: Joshua Peraza <f5809a5e35ec7e1bd0e25cb0a0b68bb433cf6f17@chromium.org>

chromium/crashpad,chromium/crashpad,chromium/crashpad