If --with-libsndfile=DIR is given, look for headers in $DIR/include and libraries in $DIR/lib -- and only fall back to Windows binary distribution workaround if this directory structure doesn't exist.
If --with-libsndfile=DIR is given, look for headers in $DIR/include
and libraries in $DIR/lib -- and only fall back to Windows binary
distribution workaround if this directory structure doesn't exist.

Problem reported by Chris Scharver.

Alexpux/simacros,Alexpux/simacros,Alexpux/simacros,Alexpux/simacros