[pango] Give CC to gir-scanner

[Behdad Esfahbod <behdad src gnome org>]

commit 1075fc4bd12df3b81bdfb94f6a2c960595e98a3f
Author: Behdad Esfahbod <behdad behdad org>
Date:   Wed Jul 23 11:42:13 2014 -0400

    Give CC to gir-scanner
    
    From:
    
https://github.com/Alexpux/MINGW-packages/blob/master/mingw-w64-pango/0006-give-cc-to-gir-scanner.mingw.patch

 pango/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/pango/Makefile.am b/pango/Makefile.am
index c948ba6..4ce6b3d 100644
--- a/pango/Makefile.am
+++ b/pango/Makefile.am
@@ -9,6 +9,7 @@ include $(INTROSPECTION_MAKEFILE)
 INTROSPECTION_GIRS =
 INTROSPECTION_SCANNER_ARGS = --warn-all --add-include-path=$(srcdir) --add-include-path=.
 INTROSPECTION_COMPILER_ARGS = --includedir=$(srcdir) --includedir=.
+INTROSPECTION_SCANNER_ENV = CC="$(CC)"
 
 SUBDIRS = mini-fribidi