This was omitted from
c3879a7b4c which modified the other msvc .bat
files.
Per request from Juan José SantamarÃa Flecha
Discussion: https://postgr.es/m/CAC+AXB0_fxYGbQoaYjCA8um7TTbOVP4L9aXnVmHwK8WzaT4gdA@mail.gmail.com
Backpatch to all live branches.
set DIST=0
if "%1"=="dist" set DIST=1
-set D=%CD%
-if exist ..\msvc if exist ..\..\..\src cd ..\..\..
+setlocal
+
+cd "%~dp0\..\..\.."
if exist debug rd /s /q debug
if exist release rd /s /q release
REM cd contrib
REM for /r %%f in (*.sql) do if exist %%f.in del %%f
-cd %D%
+cd "%~dp0"
REM Clean up ecpg regression test files
msbuild ecpg_regression.proj /NoLogo /v:q %MSBFLAGS% /t:clean