[PATCH] Fix missing gtk-mac-integration includes

[subsurface at henrik.synth.no]

From: Henrik Brautaset Aronsen <subsurface at henrik.synth.no>

GTKCFLAGS were overwritten.

Signed-off-by: Henrik Brautaset Aronsen <subsurface at henrik.synth.no>
---
 Configure.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Configure.mk b/Configure.mk
index 9c39aa4..de4c0b0 100644
--- a/Configure.mk
+++ b/Configure.mk
@@ -109,7 +109,7 @@ LIBXML2 = $(shell $(XML2CONFIG) --libs)
 LIBXSLT = $(shell $(XSLCONFIG) --libs)
 XML2CFLAGS = $(shell $(XML2CONFIG) --cflags)
 GLIB2CFLAGS = $(shell $(PKGCONFIG) --cflags glib-2.0)
-GTKCFLAGS = $(shell $(PKGCONFIG) --cflags gtk+-2.0)
+GTKCFLAGS += $(shell $(PKGCONFIG) --cflags gtk+-2.0)
 XSLCFLAGS = $(shell $(XSLCONFIG) --cflags)
 OSMGPSMAPFLAGS += $(shell $(PKGCONFIG) --cflags osmgpsmap 2> /dev/null)
 LIBOSMGPSMAP += $(shell $(PKGCONFIG) --libs osmgpsmap 2> /dev/null)
-- 
1.8.1.3