add common lib
diff --git a/libasn1print/Makefile.am b/libasn1print/Makefile.am
index 3fb1155..853645f 100644
--- a/libasn1print/Makefile.am
+++ b/libasn1print/Makefile.am
@@ -1,11 +1,12 @@
 
 AM_CFLAGS = @ADD_CFLAGS@
-AM_CPPFLAGS = 				\
-	-I$(top_srcdir)/libasn1parser	\
-	-I$(top_srcdir)/libasn1fix
+AM_CPPFLAGS =                       \
+    -I$(top_srcdir)/libasn1common   \
+    -I$(top_srcdir)/libasn1parser   \
+    -I$(top_srcdir)/libasn1fix
 
 noinst_LTLIBRARIES = libasn1print.la
 
-libasn1print_la_SOURCES =			\
-	asn1print.c asn1print.h
+libasn1print_la_SOURCES =           \
+    asn1print.c asn1print.h