vars.am: Use `AM_CPPFLAGS' for the includes list.

This frees up plain `CPPFLAGS' for users.

diff --git a/vars.am b/vars.am
index 3c65370..2450f28 100644 (file)
--- a/vars.am
+++ b/vars.am
@@ -45,7 +45,7 @@ MAINTAINERCLEANFILES   = $(PRECOMPS)
 ###--------------------------------------------------------------------------
 ### Include path.
 
-MLIB_INCLUDES = \
+MLIB_INCLUDES           = \
        -I$(top_srcdir)/buf \
        -I$(top_srcdir)/codec \
        -I$(top_srcdir)/hash \
@@ -58,7 +58,7 @@ MLIB_INCLUDES = \
        -I$(top_srcdir)/ui \
        -I$(top_srcdir)/utils
 
-CPPFLAGS += $(MLIB_INCLUDES)
+AM_CPPFLAGS             = $(MLIB_INCLUDES)
 
 ###--------------------------------------------------------------------------
 ### Miscellaneous useful definitions.