[gmime] Use AM_CPPFLAGS instead of INCLUDE to make newer versions of automake happy

[Jeffrey Stedfast <fejj src gnome org>]

commit 91cd3bf5e3001bfc8cf28c55ec7c3e113eb62c46
Author: Jeffrey Stedfast <jeff xamarin com>
Date:   Thu Apr 9 18:04:57 2015 -0400

    Use AM_CPPFLAGS instead of INCLUDE to make newer versions of automake happy

 docs/reference/Makefile.am |    2 +-
 examples/Makefile.am       |    2 +-
 gmime/Makefile.am          |    2 +-
 tests/Makefile.am          |    2 +-
 util/Makefile.am           |    2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index 48485d4..6f02d74 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -26,7 +26,7 @@ MKDB_OPTIONS = --sgml-mode --output-format=xml --ignore-files=trio
 
 # CFLAGS and LDFLAGS for compiling scan program. Only needed
 # if $(DOC_MODULE).types is non-empty.
-INCLUDES = \
+AM_CPPFLAGS = \
        -I$(top_srcdir)         \
        -I$(top_builddir)       \
        -I$(top_builddir)/gmime \
diff --git a/examples/Makefile.am b/examples/Makefile.am
index 021df93..42da44b 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -4,7 +4,7 @@ SUBDIRS = .
 
 extra_DIST = README
 
-INCLUDES = -I$(top_srcdir) $(GMIME_CFLAGS) $(GLIB_CFLAGS)
+AM_CPPFLAGS = -I$(top_srcdir) $(GMIME_CFLAGS) $(GLIB_CFLAGS)
 
 noinst_PROGRAMS = basic-example imap-example uuencode uudecode
 
diff --git a/gmime/Makefile.am b/gmime/Makefile.am
index 7825bbc..31002b3 100644
--- a/gmime/Makefile.am
+++ b/gmime/Makefile.am
@@ -4,7 +4,7 @@ SUBDIRS = .
 
 gmimeincludedir = $(includedir)/gmime-$(GMIME_API_VERSION)/gmime
 
-INCLUDES =                             \
+AM_CPPFLAGS =                          \
        -I$(top_srcdir)                 \
        -I$(top_builddir)               \
        -I$(top_srcdir)/util            \
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 481f168..93e4150 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -2,7 +2,7 @@
 
 SUBDIRS = .
 
-INCLUDES =                             \
+AM_CPPFLAGS =                          \
        -I$(top_srcdir)                 \
        -I$(top_srcdir)/util            \
        -DG_LOG_DOMAIN=\"gmime-tests\"  \
diff --git a/util/Makefile.am b/util/Makefile.am
index 2e2eee7..cedddca 100644
--- a/util/Makefile.am
+++ b/util/Makefile.am
@@ -4,7 +4,7 @@ SUBDIRS = .
 
 noinst_LTLIBRARIES = libutil.la
 
-INCLUDES = -I$(top_srcdir)             \
+AM_CPPFLAGS = -I$(top_srcdir)          \
        $(VERSION_FLAGS)                \
        -DG_LOG_DOMAIN=\"util\"         \
        $(GMIME_CFLAGS)                 \