build-unit-test-docker: use curl

curl has better proxy support than wget - for example socks5h.

Change-Id: I221295a9a0ceabc0370d8d6d3cd4a4edd8438988
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index 834cf86..21588bb 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -87,7 +87,7 @@
         build_type="custom",
         build_steps=[
             (
-                "wget"
+                "curl --remote-name"
                 " https://github.com/williamspatrick/beast/commit/98f8b1fbd059a35754c2c7b2841769cf8d021272.patch"
                 " && patch -p2 <"
                 " 98f8b1fbd059a35754c2c7b2841769cf8d021272.patch &&"