build: bootstrap: Remove build-aux directory before autoreconf
diff --git a/bootstrap b/bootstrap
index c621b77c..7b21e856 100755
--- a/bootstrap
+++ b/bootstrap
@@ -61,6 +61,8 @@ if ! [ -f version ]; then
rm -f common/lib/stb_image.h.orig
fi
+rm -rf build-aux
+
autoreconf -fvi -Wall
# Older versions of autoreconf have a bug where they do not
