[gtk+] Move '-x objective-c++' from CXXFLAGS to CPPFLAGS

[Cody Russell <bratsche src gnome org>]

commit 57fa8e81240a6cd6c4ec1b69087ed21bdd9f5257
Author: Cody Russell <bratsche gnome org>
Date:   Fri Sep 18 22:37:22 2009 -0500

    Move '-x objective-c++' from CXXFLAGS to CPPFLAGS

 tests/Makefile.am |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 5b7e33e..8956c65 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -102,8 +102,7 @@ autotestkeywords_SOURCES = autotestkeywords.cc
 autotestkeywords_CPPFLAGS = -I$(srcdir)/dummy-headers
 
 if HAVE_OBJC
-autotestkeywords_CPPFLAGS += -DHAVE_OBJC=1
-autotestkeywords_CXXFLAGS = -x objective-c++
+autotestkeywords_CPPFLAGS += -DHAVE_OBJC=1 -x objective-c++
 endif
 
 endif