vars.bat: fix issue with no TBB in PATH (#624)

Signed-off-by: Ilya Isaev <[email protected]>

Author: isaevil

integration/windows/env/vars.bat

@@ -49,13 +49,13 @@ if /i "%1"=="all"          (set TBB_TARGET_VS=vc_mt)      & shift & goto ParseAr
 :SetEnv
 if exist "%TBBROOT%\redist\%TBB_TARGET_ARCH%\%TBB_TARGET_VS%\tbb12.dll" (
     set "TBB_DLL_PATH=%TBBROOT%\redist\%TBB_TARGET_ARCH%\%TBB_TARGET_VS%"
-    set "PATH=%TBB_DLL_PATH%;%PATH%"
 )
 if exist "%TBBROOT%\..\redist\%TBB_TARGET_ARCH%\tbb\%TBB_TARGET_VS%\tbb12.dll" (
     set "TBB_DLL_PATH=%TBBROOT%\..\redist\%TBB_TARGET_ARCH%\tbb\%TBB_TARGET_VS%"
-    set "PATH=%TBB_DLL_PATH%;%PATH%"
 )
 
+set "PATH=%TBB_DLL_PATH%;%PATH%"
+
 set "LIB=%TBBROOT%\lib\%TBB_TARGET_ARCH%\%TBB_TARGET_VS%;%LIB%"
 set "INCLUDE=%TBBROOT%\include;%INCLUDE%"
 set "CPATH=%TBBROOT%\include;%CPATH%"