rm -rf $BUILD_ROOT/.build-srcdir before use in xen case

diff --git a/build b/build
index 1b22da6..5986289 100755 (executable)
--- a/build
+++ b/build
@@ -773,6 +773,7 @@ for SPECFILE in "${SPECFILES[@]}" ; do
        mkdir -p $BUILD_ROOT/.build
        cp -a $BUILD_DIR/. $BUILD_ROOT/.build
        if ! test "$MYSRCDIR" = $BUILD_ROOT/.build-srcdir ; then
+           rm -rf $BUILD_ROOT/.build-srcdir
            mkdir $BUILD_ROOT/.build-srcdir
            cp -p "$MYSRCDIR"/* $BUILD_ROOT/.build-srcdir
            MYSRCDIR=$BUILD_ROOT/.build-srcdir