Larger whitespace cleanup of AppVeyor build files
diff --git a/build/appveyor/MSYS-appveyor-build.bat b/build/appveyor/MSYS-appveyor-build.bat
index 4401729..814a624 100644
--- a/build/appveyor/MSYS-appveyor-build.bat
+++ b/build/appveyor/MSYS-appveyor-build.bat
@@ -15,9 +15,9 @@
 @ECHO OFF
 SETLOCAL EnableDelayedExpansion
 
-CD build\appveyor                           || EXIT /B
-CALL cl_banner_build.bat                    || EXIT /B
-CALL cl_setenv.bat                          || EXIT /B
+CD build\appveyor || EXIT /B
+CALL cl_banner_build.bat || EXIT /B
+CALL cl_setenv.bat || EXIT /B
 
 SET BASH=C:\msys64\usr\bin\bash
 SET CMAKE=/c/msys64/mingw64/bin/cmake.exe