[gegl] Always propagate the *FLAGS variables to g-ir-scanner (bug 722480)

[Daniel Sabo <daniels src gnome org>]

commit 449c994af3f74ea0d605fda654a53e239eb65ebd
Author: Daniel Sabo <DanielSabo gmail com>
Date:   Fri Jan 24 07:33:15 2014 -0800

    Always propagate the *FLAGS variables to g-ir-scanner (bug 722480)
    
    The issue was not that they got un-escaped too many times but too
    few. Expanding them here seems to get the correct behavior.

 gegl/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gegl/Makefile.am b/gegl/Makefile.am
index 4802dc1..af39db9 100644
--- a/gegl/Makefile.am
+++ b/gegl/Makefile.am
@@ -4,7 +4,7 @@
 INTROSPECTION_GIRS =
 INTROSPECTION_SCANNER_ARGS = --warn-all --add-include-path="$(srcdir)" --add-include-path="$(shell 
$(PKG_CONFIG) --define-variable=datadir="$(datadir)" --variable=girdir gobject-introspection-1.0)"
 INTROSPECTION_COMPILER_ARGS = --includedir="$(srcdir)" --includedir="$(shell $(PKG_CONFIG) 
--define-variable=datadir="$(datadir)" --variable=girdir gobject-introspection-1.0)"
-INTROSPECTION_SCANNER_ENV = CFLAGS= LDFLAGS= CXXFLAGS=
+INTROSPECTION_SCANNER_ENV = CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" CPPFLAGS="$(CPPFLAGS)" 
CXXFLAGS="$(CXXFLAGS)"
 
 if PLATFORM_WIN32
 no_undefined = -no-undefined