abuild: fix a couple of whitespace

use whitespace instead of tab where appropriate

abuild.in

@@ -1842,13 +1842,13 @@ default_dev() {
 			usr/share/gir-[0-9]* usr/share/qt*/mkspecs \
 			usr/lib/qt*/mkspecs usr/lib/cmake \
 			usr/lib/glade/modules usr/share/glade/catalogs \
-			$(find . -name include -type d)	\
+			$(find . -name include -type d) \
 			$(subpackage_types_has static || find $libdirs \
 				-name '*.a' 2>/dev/null) \
 			$(find $libdirs -name '*.[cho]' \
 				-o -name '*.prl' 2>/dev/null); do
 		if [ -e "$pkgdir/$i" ] || [ -L "$pkgdir/$i" ]; then
-			d="$subpkgdir/${i%/*}"	# dirname $i
+			d="$subpkgdir/${i%/*}" # dirname $i
 			mkdir -p "$d"
 			mv "$pkgdir/$i" "$d"
 			rmdir "$pkgdir/${i%/*}" 2>/dev/null || :