Added inttypes.h
Fixed AC_CHECK_TYPES
diff --git a/configure.in b/configure.in
index 0c94023..456d701 100644
--- a/configure.in
+++ b/configure.in
@@ -32,12 +32,13 @@
 AC_CHECK_HEADERS(unistd.h)
 AC_CHECK_HEADERS(stdint.h)
 AC_CHECK_HEADERS(sys/uio.h)
+AC_CHECK_HEADERS(inttypes.h)
 AC_CHECK_HEADERS(machine/types.h)
 AC_CHECK_HEADERS(sys/int_types.h)
 
 AC_CHECK_HEADERS(syslog.h)
 
-AC_CHECK_TYPES([int8,uint8,int16,uint16,int32,uint32,unit64])
+AC_CHECK_TYPES([int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,uint64_t])
 
 AC_CHECK_TYPE(unsigned long long, HAVE_U_LONG_LONG=1, HAVE_U_LONG_LONG=0)