[WIN] USe cross-compiled arduino-preprocessor

Author: facchinm

Diff for: src/arduino.cc/builder/test/helper_tools_downloader.go

@@ -118,7 +118,7 @@ func DownloadCoresAndToolsAndLibraries(t *testing.T) {
 			OsUrls: []OsUrl{
 				OsUrl{Os: "i686-pc-linux-gnu", Url: "https://github.com/arduino/arduino-preprocessor/releases/download/0.1.3/arduino-preprocessor-0.1.3-i686-pc-linux-gnu.tar.bz2"},
 				OsUrl{Os: "x86_64-pc-linux-gnu", Url: "https://github.com/arduino/arduino-preprocessor/releases/download/0.1.3/arduino-preprocessor-0.1.3-x86_64-pc-linux-gnu.tar.bz2"},
-				OsUrl{Os: "i686-mingw32", Url: "https://github.com/arduino/arduino-preprocessor/releases/download/0.1.3/arduino-preprocessor-0.1.3-i686-pc-cygwin-2.tar.bz2"},
+				OsUrl{Os: "i686-mingw32", Url: "https://github.com/arduino/arduino-preprocessor/releases/download/0.1.3/arduino-preprocessor-0.1.3-i686-w64-mingw32.tar.bz2"},
 				OsUrl{Os: "x86_64-apple-darwin", Url: "https://github.com/arduino/arduino-preprocessor/releases/download/0.1.3/arduino-preprocessor-0.1.3-x86_64-apple-darwin11.tar.bz2"},
 				OsUrl{Os: "arm-linux-gnueabihf", Url: "https://github.com/arduino/arduino-preprocessor/releases/download/0.1.3/arduino-preprocessor-0.1.3-armhf-pc-linux-gnu.tar.bz2"},
 			},