radeon/winsys: Convert to automake
diff --git a/configure.ac b/configure.ac
index 5cc611f..354635b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2010,6 +2010,7 @@
 		src/gallium/targets/Makefile
 		src/gallium/targets/opencl/Makefile
 		src/gallium/winsys/Makefile
+		src/gallium/winsys/radeon/drm/Makefile
 		src/gbm/Makefile
 		src/gbm/main/gbm.pc
 		src/glsl/Makefile