awk/mkfile: tabify
diff --git a/src/cmd/awk/mkfile b/src/cmd/awk/mkfile
index a31472e..c7e6302 100644
--- a/src/cmd/awk/mkfile
+++ b/src/cmd/awk/mkfile
@@ -26,10 +26,10 @@
 YFLAGS=-S -d -v
 
 proctab.c: $O.maketab
-    ./$O.maketab >proctab.c
+	./$O.maketab >proctab.c
 
 maketab.$O: maketab.c
-    $CC $CFLAGS maketab.c
+	$CC $CFLAGS maketab.c
 
 $O.maketab:V: y.tab.h maketab.$O
-    $LD -o $O.maketab maketab.$O
+	$LD -o $O.maketab maketab.$O