Changed http://frc971.org to http://www.frc971.org

Changed because of the new server change issues

Change-Id: I4badd28db6f50d06e24a1c99f66447a926f6e5e4
diff --git a/tools/bazel b/tools/bazel
index 6f5230c..1675188 100755
--- a/tools/bazel
+++ b/tools/bazel
@@ -41,7 +41,7 @@
 fi
 
 readonly INSTALLER_NAME="bazel_${VERSION}.xz"
-readonly DOWNLOAD_URL="http://frc971.org/Build-Dependencies/${INSTALLER_NAME}"
+readonly DOWNLOAD_URL="http://www.frc971.org/Build-Dependencies/${INSTALLER_NAME}"
 
 if [[ ! -d "${VERSION_DIR}" ]]; then
   echo "Downloading Bazel version ${VERSION} from ${DOWNLOAD_URL}..." >&2