Fix package.bat version parsing

The package.bat script parses the first 3 tokens of the version string
to determine the file version. This is done to strip "-SNAPSHOT" from
the version string since the file version can only contain a numeric
version number.

desktop/package/windows/package.bat

@@ -17,7 +17,7 @@ if not exist "%JAVA_HOME%\bin\javapackager.exe" (
     set JAVA_HOME=%ProgramFiles%\Java\jdk-10.0.2
 )
 set package_dir=%~dp0..
-for /F "tokens=1.2.3-SNAPSHOT delims=.-" %%a in ("%version%") do (
+for /F "tokens=1,2,3 delims=.-" %%a in ("%version%") do (
    set file_version=%%a.%%b.%%c
 )