Fix missing newline at the end of the file

Author: ambv

Tools/buildbot/test.bat

@@ -54,4 +54,4 @@ if %arg%=="-q" (set rt_opts=%rt_opts% %1) & shift & goto CheckOpts
 if %arg%=="+d" (set rt_opts=%rt_opts:-d=%) & shift & goto CheckOpts
 if %arg%=="+q" (set rt_opts=%rt_opts:-q=%) & shift & goto CheckOpts
 if NOT %arg%=="" (set regrtest_args=%regrtest_args% %arg:#COMMA#=,%) & shift & goto CheckOpts
-goto:eof
+goto:eof